Annotations: 3PL7

Crystal structure of Bcl-xL in complex with the BaxBH3 domain

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C [auth B]	d3pl7b_	Membrane and cell surface proteins and peptides	Toxins' membrane translocation domains	Bcl-2 inhibitors of programmed cell death	Bcl-2 inhibitors of programmed cell death	Apoptosis regulator Bcl-xL	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d3pl7a_	Membrane and cell surface proteins and peptides	Toxins' membrane translocation domains	Bcl-2 inhibitors of programmed cell death	Bcl-2 inhibitors of programmed cell death	Apoptosis regulator Bcl-xL	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth C]	Med6	e3pl7C1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Med6	ECOD (v295)
C [auth B]	Gal-bind_lectin	e3pl7B1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (v295)
A	COX1	e3pl7A1	A: alpha arrays	X: N-terminal beta-sandwich domain in anthrax protective antigen	H: Macro domain-like	T: Macro domain-like	F: COX1	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth B]	1.10.437.10	Mainly Alpha	Orthogonal Bundle	Apoptosis Regulator Bcl-x	Blc2-like	CATH (utative)
A	1.10.437.10	Mainly Alpha	Orthogonal Bundle	Apoptosis Regulator Bcl-x	Blc2-like	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C [auth B]	PF00452	Apoptosis regulator proteins, Bcl-2 family (Bcl-2)	Apoptosis regulator proteins, Bcl-2 family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth C]	Apoptosis regulator BAX	death domain binding protein binding binding BH3 domain binding BH domain binding protein domain specific binding identical protein binding protein heterodimerization activity protein dimerization activity Hsp70 protein binding protein-folding chaperone binding heat shock protein binding protein homodimerization activity lipid binding death domain binding protein binding binding BH3 domain binding BH domain binding protein domain specific binding identical protein binding protein heterodimerization activity protein dimerization activity Hsp70 protein binding protein-folding chaperone binding heat shock protein binding protein homodimerization activity lipid binding passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity	inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis endoplasmic reticulum calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of protein binding regulation of molecular function inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis endoplasmic reticulum calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of protein binding regulation of molecular function negative regulation of protein binding regulation of binding negative regulation of binding biological regulation negative regulation of molecular function organelle fusion cellular component organization organelle organization cellular process mitochondrial fusion cellular component organization or biogenesis mitochondrion organization negative regulation of membrane potential regulation of mitochondrial membrane potential negative regulation of mitochondrial membrane potential regulation of biological quality regulation of membrane potential cellular response to stimulus positive regulation of organelle organization regulation of cellular process regulation of cellular component organization positive regulation of cellular component organization response to stimulus signaling apoptotic mitochondrial changes positive regulation of biological process regulation of release of cytochrome c from mitochondria cell communication positive regulation of release of cytochrome c from mitochondria signal transduction positive regulation of cellular process regulation of biological process cell death regulation of organelle organization apoptotic signaling pathway release of cytochrome c from mitochondria regulation of mitochondrion organization apoptotic process programmed cell death protein-containing complex organization positive regulation of cellular component biogenesis regulation of cellular component biogenesis cellular component biogenesis positive regulation of protein-containing complex assembly regulation of protein-containing complex assembly cellular component assembly protein-containing complex assembly positive regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death positive regulation of apoptotic process neuron apoptotic process positive regulation of neuron apoptotic process regulation of neuron apoptotic process cell surface receptor signaling pathway extrinsic apoptotic signaling pathway response to chemical response to toxic substance extrinsic apoptotic signaling pathway via death domain receptors signal transduction in absence of ligand extrinsic apoptotic signaling pathway in absence of ligand positive regulation of IRE1-mediated unfolded protein response positive regulation of cell communication positive regulation of signal transduction regulation of cellular response to stress endoplasmic reticulum unfolded protein response regulation of response to endoplasmic reticulum stress regulation of signal transduction intracellular signal transduction positive regulation of response to stimulus regulation of endoplasmic reticulum unfolded protein response positive regulation of response to endoplasmic reticulum stress cellular response to stress regulation of intracellular signal transduction response to stress regulation of response to stress positive regulation of endoplasmic reticulum unfolded protein response response to endoplasmic reticulum stress regulation of IRE1-mediated unfolded protein response regulation of signaling cellular response to topologically incorrect protein positive regulation of intracellular signal transduction cellular response to unfolded protein response to unfolded protein regulation of response to stimulus response to topologically incorrect protein IRE1-mediated unfolded protein response regulation of cell communication positive regulation of signaling regulation of intrinsic apoptotic signaling pathway positive regulation of apoptotic signaling pathway intrinsic apoptotic signaling pathway positive regulation of intrinsic apoptotic signaling pathway regulation of apoptotic signaling pathway release of matrix enzymes from mitochondria supramolecular fiber organization transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport establishment or maintenance of transmembrane electrochemical gradient establishment of localization lymphocyte apoptotic process leukocyte apoptotic process B cell apoptotic process execution phase of apoptosis mitochondrial fragmentation involved in apoptotic process immune response-regulating cell surface receptor signaling pathway immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process positive regulation of immune system process immune response-activating cell surface receptor signaling pathway immune response B cell receptor signaling pathway immune system process regulation of immune response antigen receptor-mediated signaling pathway B cell receptor apoptotic signaling pathway activation of immune response catabolic process macromolecule catabolic process regulation of DNA catabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process positive regulation of DNA catabolic process DNA catabolic process apoptotic nuclear changes positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of apoptotic DNA fragmentation cellular component disassembly positive regulation of apoptotic DNA fragmentation primary metabolic process DNA metabolic process regulation of macromolecule metabolic process regulation of catabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process positive regulation of catabolic process apoptotic DNA fragmentation positive regulation of DNA metabolic process cellular component disassembly involved in execution phase of apoptosis nucleic acid catabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process DNA damage response intrinsic apoptotic signaling pathway in response to DNA damage intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress cellular response to virus biological process involved in interspecies interaction between organisms response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus	cellular anatomical structure membrane protein-containing complex BAX complex Bcl-2 family protein complex membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system cellular anatomical structure membrane protein-containing complex BAX complex Bcl-2 family protein complex membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system extracellular exosome extracellular vesicle extracellular organelle extracellular region vesicle extracellular membrane-bounded organelle cytoplasm cytosol mitochondrial membrane mitochondrion organelle outer membrane bounding membrane of organelle mitochondrial envelope mitochondrial outer membrane outer membrane organelle membrane BAK complex pore complex membrane protein complex organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane mitochondrial permeability transition pore complex mitochondrial protein-containing complex
A, C [auth B]	Bcl-2-like protein 1	death domain binding protein binding binding BH3 domain binding BH domain binding protein domain specific binding identical protein binding kinase binding enzyme binding protein kinase binding passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity	cellular response to stimulus extrinsic apoptotic signaling pathway via death domain receptors regulation of cellular process response to stimulus signaling negative regulation of signaling negative regulation of biological process regulation of signal transduction regulation of programmed cell death extrinsic apoptotic signaling pathway negative regulation of cell communication cell communication negative regulation of extrinsic apoptotic signaling pathway negative regulation of apoptotic signaling pathway negative regulation of cellular process cellular response to stimulus extrinsic apoptotic signaling pathway via death domain receptors regulation of cellular process response to stimulus signaling negative regulation of signaling negative regulation of biological process regulation of signal transduction regulation of programmed cell death extrinsic apoptotic signaling pathway negative regulation of cell communication cell communication negative regulation of extrinsic apoptotic signaling pathway negative regulation of apoptotic signaling pathway negative regulation of cellular process signal transduction regulation of biological process regulation of signaling cell surface receptor signaling pathway negative regulation of response to stimulus negative regulation of programmed cell death regulation of apoptotic process biological regulation negative regulation of extrinsic apoptotic signaling pathway via death domain receptors cell death negative regulation of signal transduction regulation of extrinsic apoptotic signaling pathway apoptotic signaling pathway negative regulation of apoptotic process regulation of response to stimulus regulation of extrinsic apoptotic signaling pathway via death domain receptors regulation of cell communication cellular process apoptotic process programmed cell death regulation of apoptotic signaling pathway positive regulation of programmed cell death positive regulation of biological process positive regulation of apoptotic process positive regulation of cellular process regulation of anoikis negative regulation of anoikis anoikis regulation of localization apoptotic mitochondrial changes localization regulation of biological quality positive regulation of membrane permeability negative regulation of cellular component organization establishment of localization regulation of organelle organization regulation of membrane permeability negative regulation of mitochondrial outer membrane permeabilization involved in apoptotic signaling pathway regulation of mitochondrial membrane permeability involved in apoptotic process regulation of cellular component organization negative regulation of mitochondrial membrane permeability transport mitochondrial outer membrane permeabilization involved in programmed cell death cellular component organization positive regulation of mitochondrial membrane permeability involved in apoptotic process positive regulation of mitochondrial membrane permeability cellular component organization or biogenesis regulation of mitochondrial membrane permeability mitochondrion organization regulation of transport organelle organization negative regulation of organelle organization regulation of mitochondrial outer membrane permeabilization involved in apoptotic signaling pathway regulation of mitochondrion organization negative regulation of membrane permeability mitochondrial outer membrane permeabilization signal transduction in absence of ligand extrinsic apoptotic signaling pathway in absence of ligand regulation of cytokinesis regulation of cell cycle process cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process regulation of release of cytochrome c from mitochondria negative regulation of release of cytochrome c from mitochondria release of cytochrome c from mitochondria negative regulation of catabolic process catabolic process negative regulation of metabolic process autophagy regulation of catabolic process regulation of autophagy negative regulation of autophagy metabolic process process utilizing autophagic mechanism regulation of metabolic process negative regulation of intracellular signal transduction regulation of cellular response to stress regulation of intrinsic apoptotic signaling pathway in response to DNA damage regulation of intrinsic apoptotic signaling pathway intracellular signal transduction cellular response to stress regulation of intracellular signal transduction response to stress regulation of response to stress intrinsic apoptotic signaling pathway in response to DNA damage intrinsic apoptotic signaling pathway negative regulation of intrinsic apoptotic signaling pathway in response to DNA damage negative regulation of intrinsic apoptotic signaling pathway DNA damage response biological process involved in interspecies interaction between organisms defense response to virus defense response response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus negative regulation of extrinsic apoptotic signaling pathway in absence of ligand negative regulation of signal transduction in absence of ligand regulation of extrinsic apoptotic signaling pathway in absence of ligand cellular localization regulation of protein localization negative regulation of protein localization to plasma membrane intracellular protein localization regulation of protein localization to membrane negative regulation of protein localization protein localization to cell periphery protein localization to plasma membrane regulation of protein localization to cell periphery localization within membrane protein localization to membrane negative regulation of protein localization to membrane regulation of cellular localization macromolecule localization negative regulation of protein localization to cell periphery regulation of protein localization to plasma membrane regulation of mitochondrial membrane potential regulation of membrane potential import into cell endocytosis vesicle-mediated transport regulation of response to endoplasmic reticulum stress negative regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway response to endoplasmic reticulum stress negative regulation of response to endoplasmic reticulum stress response to peptide response to chemical response to cytokine negative regulation of execution phase of apoptosis regulation of execution phase of apoptosis execution phase of apoptosis	membrane-bounded organelle intracellular anatomical structure nuclear membrane membrane nucleus intracellular membrane-bounded organelle endomembrane system intracellular organelle organelle envelope cellular anatomical structure organelle nuclear envelope organelle membrane cytoplasm membrane-bounded organelle intracellular anatomical structure nuclear membrane membrane nucleus intracellular membrane-bounded organelle endomembrane system intracellular organelle organelle envelope cellular anatomical structure organelle nuclear envelope organelle membrane cytoplasm cytosol mitochondrial membrane mitochondrion organelle outer membrane bounding membrane of organelle mitochondrial envelope mitochondrial outer membrane outer membrane synapse intracellular vesicle transport vesicle membrane presynapse cytoplasmic vesicle vesicle membrane synaptic vesicle synaptic vesicle membrane cell junction vesicle transport vesicle exocytic vesicle membrane cytoplasmic vesicle membrane secretory vesicle exocytic vesicle organelle inner membrane mitochondrial inner membrane centrosome microtubule organizing center cytoskeleton membraneless organelle intracellular membraneless organelle microtubule cytoskeleton protein-containing complex Bcl-2 family protein complex membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth C]	IPR036834	Bcl-2-like superfamily	Homologous Superfamily
B [auth C]	IPR002475	Bcl2-like	Family
B [auth C]	IPR020728	Apoptosis regulator, Bcl-2, BH3 motif, conserved site	Conserved Site
B [auth C]	IPR020726	Apoptosis regulator, Bcl-2, BH2 motif, conserved site	Conserved Site
B [auth C]	IPR046371	Bcl-2, Bcl-2 homology region 1-3	Domain
B [auth C]	IPR026298	Bcl-2 family	Family
B [auth C]	IPR020717	Apoptosis regulator, Bcl-2, BH1 motif, conserved site	Conserved Site
A, C [auth B]	IPR036834	Bcl-2-like superfamily	Homologous Superfamily
A, C [auth B]	IPR004725	Apoptosis regulator, Bcl-2/ BclX	Family
A, C [auth B]	IPR003093	Apoptosis regulator, Bcl-2 protein, BH4	Domain
A, C [auth B]	IPR002475	Bcl2-like	Family
A, C [auth B]	IPR020731	Apoptosis regulator, Bcl-2, BH4 motif, conserved site	Conserved Site
A, C [auth B]	IPR013279	Apoptosis regulator, Bcl-X	Family
A, C [auth B]	IPR020728	Apoptosis regulator, Bcl-2, BH3 motif, conserved site	Conserved Site
A, C [auth B]	IPR020726	Apoptosis regulator, Bcl-2, BH2 motif, conserved site	Conserved Site
A, C [auth B]	IPR046371	Bcl-2, Bcl-2 homology region 1-3	Domain
A, C [auth B]	IPR026298	Bcl-2 family	Family
A, C [auth B]	IPR020717	Apoptosis regulator, Bcl-2, BH1 motif, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth C]	: Q07812	polycystic ovary syndrome Alzheimer disease Myocardial Reperfusion Injury esophageal cancer primary cutaneous T-cell non-Hodgkin lymphoma intestinal cancer prostate cancer breast carcinoma malignant colon neoplasm myocardial infarction HIV infectious disease male infertility medulloblastoma colorectal cancer osteosarcoma polycystic ovary syndrome Alzheimer disease Myocardial Reperfusion Injury esophageal cancer primary cutaneous T-cell non-Hodgkin lymphoma intestinal cancer prostate cancer breast carcinoma malignant colon neoplasm myocardial infarction HIV infectious disease male infertility medulloblastoma colorectal cancer osteosarcoma glioblastoma psoriasis intracerebral hemorrhage spina bifida tuberculosis lymphoma breast cancer colonic neoplasm cutaneous lupus erythematosus neoplasm of esophagus peripheral nervous system disease granulomatous slack skin disease acute kidney failure intestinal neoplasm acute T cell leukemia large cell medulloblastoma colorectal adenocarcinoma drug-induced liver injury peripheral neuropathy gastric carcinoma adrenal cortex carcinoma ischemic disease leukemia, acute lymphocytic, susceptibility to, 1 benign colon neoplasm Burkitt lymphoma
A, C [auth B]	: Q07817	plasma cell myeloma liver disease myocardial infarction Liver Neoplasms, Experimental type 2 diabetes mellitus cryptorchidism follicular thyroid adenoma microcystic adenoma erectile dysfunction head and neck cancer hearing loss disorder adenoma papillary adenoma amyotrophic lateral sclerosis type 1 sarcomatoid carcinoma plasma cell myeloma liver disease myocardial infarction Liver Neoplasms, Experimental type 2 diabetes mellitus cryptorchidism follicular thyroid adenoma microcystic adenoma erectile dysfunction head and neck cancer hearing loss disorder adenoma papillary adenoma amyotrophic lateral sclerosis type 1 sarcomatoid carcinoma carcinoma malignant ependymoma chronic obstructive pulmonary disease malignant tumor of neck gastric neoplasm medulloblastoma head and neck neoplasm hematologic disease pancreatic intraductal papillary-mucinous neoplasm intestinal disease psoriasis B-cell chronic lymphocytic leukemia cancer MALT lymphoma glioblastoma myopathy acute myeloid leukemia hepatocellular carcinoma oligodendroglioma hereditary diffuse gastric adenocarcinoma pancreatic neoplasm intracerebral hemorrhage plasma cell neoplasm sarcoidosis lung benign neoplasm lymphatic system disease undifferentiated carcinoma malignant pancreatic neoplasm gastric cancer maturity-onset diabetes of the young myeloid neoplasm neoplasm of neck ovarian cancer large cell medulloblastoma prostate disease atypical teratoid rhabdoid tumor breast disease lung disease toxic encephalopathy

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.