Annotations: 7CQK

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth S]	F_UNCLASSIFIED	e7cqkS2	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: F_UNCLASSIFIED	ECOD (1.6)
A [auth S]	Aminotran_5_N	e7cqkS1	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_5_N	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
D [auth E]	PF11779	Small subunit of serine palmitoyltransferase-like (SPT_ssu-like)	Small subunit of serine palmitoyltransferase-like	-	Family
A [auth S], E [auth C]	PF00155	Aminotransferase class I and II (Aminotran_1_2)	Aminotransferase class I and II	-	Domain
B [auth T]	PF00155	Aminotransferase class I and II (Aminotran_1_2)	Aminotransferase class I and II	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth A]	ORM1-like protein 3	-	protein localization regulation of localization regulation of biological process cellular localization regulation of cellular process regulation of protein localization positive regulation of protein localization to nucleus biological regulation positive regulation of biological process regulation of protein localization to nucleus protein localization to nucleus localization regulation of cellular localization cellular macromolecule localization macromolecule localization protein localization regulation of localization regulation of biological process cellular localization regulation of cellular process regulation of protein localization positive regulation of protein localization to nucleus biological regulation positive regulation of biological process regulation of protein localization to nucleus protein localization to nucleus localization regulation of cellular localization cellular macromolecule localization macromolecule localization protein localization to organelle positive regulation of protein localization cellular process positive regulation of cellular process behavior multicellular organismal process motor behavior myelination developmental process multicellular organism development axon ensheathment ensheathment of neurons anatomical structure development nervous system development system development regulation of amide metabolic process sphingolipid biosynthetic process regulation of lipid metabolic process negative regulation of biological process organonitrogen compound biosynthetic process negative regulation of lipid biosynthetic process negative regulation of cellular metabolic process regulation of primary metabolic process cellular component biogenesis membrane lipid metabolic process regulation of membrane lipid metabolic process negative regulation of amide metabolic process negative regulation of metabolic process cellular metabolic process regulation of cellular metabolic process primary metabolic process amide biosynthetic process negative regulation of ceramide biosynthetic process negative regulation of cellular biosynthetic process biosynthetic process ceramide biosynthetic process cellular lipid metabolic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process negative regulation of lipid metabolic process cellular biosynthetic process lipid biosynthetic process regulation of sphingolipid biosynthetic process negative regulation of cellular process cellular component organization or biogenesis amide metabolic process regulation of ceramide biosynthetic process negative regulation of sphingolipid biosynthetic process regulation of biosynthetic process ceramide metabolic process organonitrogen compound metabolic process sphingolipid metabolic process regulation of macromolecule metabolic process regulation of cellular component biogenesis macromolecule biosynthetic process regulation of cellular biosynthetic process negative regulation of biosynthetic process regulation of lipid biosynthetic process membrane lipid biosynthetic process lipid metabolic process sphingomyelin biosynthetic process phospholipid metabolic process phosphate-containing compound metabolic process phosphorus metabolic process sphingomyelin metabolic process phospholipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process system process regulation of system process muscle contraction muscle system process regulation of muscle system process smooth muscle contraction regulation of smooth muscle contraction regulation of muscle contraction regulation of multicellular organismal process positive regulation of autophagy catabolic process autophagy positive regulation of cellular metabolic process regulation of catabolic process regulation of autophagy cellular catabolic process positive regulation of catabolic process positive regulation of metabolic process regulation of cellular catabolic process positive regulation of cellular catabolic process process utilizing autophagic mechanism cellular homeostasis chemical homeostasis homeostatic process intracellular sphingolipid homeostasis intracellular chemical homeostasis lipid homeostasis regulation of leukocyte apoptotic process regulation of lymphocyte apoptotic process regulation of B cell apoptotic process negative regulation of programmed cell death leukocyte apoptotic process regulation of apoptotic process B cell apoptotic process regulation of programmed cell death cell death negative regulation of B cell apoptotic process lymphocyte apoptotic process negative regulation of apoptotic process negative regulation of leukocyte apoptotic process apoptotic process programmed cell death negative regulation of lymphocyte apoptotic process	membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system specific granule membrane intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system specific granule membrane intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane specific granule cell periphery plasma membrane endoplasmic reticulum organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane
D [auth E]	Serine palmitoyltransferase small subunit A	C-palmitoyltransferase activity acyltransferase activity serine C-palmitoyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity C-acyltransferase activity catalytic activity palmitoyltransferase activity	protein localization localization cellular localization cellular macromolecule localization macromolecule localization cellular process sphingolipid biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process lipid biosynthetic process alcohol metabolic process diol biosynthetic process diol metabolic process protein localization localization cellular localization cellular macromolecule localization macromolecule localization cellular process sphingolipid biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process lipid biosynthetic process alcohol metabolic process diol biosynthetic process diol metabolic process polyol biosynthetic process small molecule metabolic process membrane lipid metabolic process sphingoid biosynthetic process polyol metabolic process organonitrogen compound metabolic process small molecule biosynthetic process cellular metabolic process sphingolipid metabolic process primary metabolic process sphingosine metabolic process sphingoid metabolic process sphingosine biosynthetic process biosynthetic process organic hydroxy compound biosynthetic process cellular lipid metabolic process alcohol biosynthetic process metabolic process membrane lipid biosynthetic process lipid metabolic process ceramide metabolic process amide biosynthetic process ceramide biosynthetic process amide metabolic process	serine palmitoyltransferase complex protein-containing complex catalytic complex palmitoyltransferase complex transferase complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle endoplasmic reticulum cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endomembrane system serine palmitoyltransferase complex protein-containing complex catalytic complex palmitoyltransferase complex transferase complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle endoplasmic reticulum cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endomembrane system organelle subcompartment membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network organelle membrane endoplasmic reticulum membrane
A [auth S], E [auth C]	Serine palmitoyltransferase 1	C-palmitoyltransferase activity acyltransferase activity serine C-palmitoyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity C-acyltransferase activity catalytic activity palmitoyltransferase activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding C-palmitoyltransferase activity acyltransferase activity serine C-palmitoyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity C-acyltransferase activity catalytic activity palmitoyltransferase activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding	membrane lipid metabolic process organonitrogen compound metabolic process cellular metabolic process cellular lipid metabolic process sphingolipid metabolic process metabolic process primary metabolic process cellular process lipid metabolic process sphingolipid biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process lipid biosynthetic process membrane lipid metabolic process organonitrogen compound metabolic process cellular metabolic process cellular lipid metabolic process sphingolipid metabolic process metabolic process primary metabolic process cellular process lipid metabolic process sphingolipid biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process lipid biosynthetic process alcohol metabolic process diol biosynthetic process diol metabolic process polyol biosynthetic process small molecule metabolic process sphingoid biosynthetic process polyol metabolic process small molecule biosynthetic process sphingosine metabolic process sphingoid metabolic process sphingosine biosynthetic process biosynthetic process organic hydroxy compound biosynthetic process alcohol biosynthetic process membrane lipid biosynthetic process regulation of biological process regulation of cellular process regulation of apoptotic process biological regulation regulation of programmed cell death cell death regulation of fat cell apoptotic process fat cell apoptotic process apoptotic process programmed cell death sphinganine metabolic process sphinganine biosynthetic process ceramide metabolic process amide biosynthetic process ceramide biosynthetic process amide metabolic process sphingomyelin biosynthetic process phospholipid metabolic process phosphate-containing compound metabolic process phosphorus metabolic process sphingomyelin metabolic process phospholipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process catabolic process lipophagy macroautophagy autophagy positive regulation of biological process positive regulation of cellular metabolic process regulation of autophagy cellular catabolic process positive regulation of metabolic process positive regulation of lipophagy regulation of lipophagy positive regulation of macroautophagy process utilizing autophagic mechanism positive regulation of cellular process positive regulation of autophagy regulation of cellular metabolic process regulation of catabolic process positive regulation of catabolic process regulation of macroautophagy regulation of cellular catabolic process positive regulation of cellular catabolic process regulation of metabolic process	serine palmitoyltransferase complex protein-containing complex catalytic complex palmitoyltransferase complex transferase complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle endoplasmic reticulum cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endomembrane system serine palmitoyltransferase complex protein-containing complex catalytic complex palmitoyltransferase complex transferase complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle endoplasmic reticulum cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endomembrane system organelle subcompartment membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network organelle membrane endoplasmic reticulum membrane
B [auth T]	Serine palmitoyltransferase 2	C-palmitoyltransferase activity acyltransferase activity serine C-palmitoyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity C-acyltransferase activity catalytic activity palmitoyltransferase activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding C-palmitoyltransferase activity acyltransferase activity serine C-palmitoyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity C-acyltransferase activity catalytic activity palmitoyltransferase activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding	developmental process connective tissue development adipose tissue development animal organ development anatomical structure development tissue development sphingolipid biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process lipid biosynthetic process alcohol metabolic process diol biosynthetic process diol metabolic process developmental process connective tissue development adipose tissue development animal organ development anatomical structure development tissue development sphingolipid biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process lipid biosynthetic process alcohol metabolic process diol biosynthetic process diol metabolic process polyol biosynthetic process small molecule metabolic process membrane lipid metabolic process sphingoid biosynthetic process polyol metabolic process organonitrogen compound metabolic process small molecule biosynthetic process cellular metabolic process sphingolipid metabolic process primary metabolic process sphingosine metabolic process sphingoid metabolic process sphingosine biosynthetic process biosynthetic process organic hydroxy compound biosynthetic process cellular lipid metabolic process alcohol biosynthetic process metabolic process cellular process membrane lipid biosynthetic process lipid metabolic process sphinganine metabolic process sphinganine biosynthetic process ceramide metabolic process amide biosynthetic process ceramide biosynthetic process amide metabolic process sphingomyelin biosynthetic process phospholipid metabolic process phosphate-containing compound metabolic process phosphorus metabolic process sphingomyelin metabolic process phospholipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process catabolic process regulation of cellular process lipophagy macroautophagy autophagy positive regulation of biological process positive regulation of cellular metabolic process regulation of autophagy cellular catabolic process positive regulation of metabolic process positive regulation of lipophagy regulation of lipophagy positive regulation of macroautophagy process utilizing autophagic mechanism positive regulation of cellular process positive regulation of autophagy regulation of biological process biological regulation regulation of cellular metabolic process regulation of catabolic process positive regulation of catabolic process regulation of macroautophagy regulation of cellular catabolic process positive regulation of cellular catabolic process regulation of metabolic process	serine palmitoyltransferase complex protein-containing complex catalytic complex palmitoyltransferase complex transferase complex membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle serine palmitoyltransferase complex protein-containing complex catalytic complex palmitoyltransferase complex transferase complex membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A]	IPR007203	ORMDL family	Family
D [auth E]	IPR051900	Serine palmitoyltransferase small subunit	Family
D [auth E]	IPR024512	Small subunit of serine palmitoyltransferase-like	Family
A [auth S], E [auth C]	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A [auth S], E [auth C]	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A [auth S], E [auth C]	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A [auth S], E [auth C]	IPR004839	Aminotransferase, class I/classII, large domain	Domain
A [auth S], E [auth C]	IPR050087	8-amino-7-oxononanoate synthase class-II	Family
B [auth T]	IPR001917	Aminotransferase, class-II, pyridoxal-phosphate binding site	Binding Site
B [auth T]	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
B [auth T]	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
B [auth T]	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
B [auth T]	IPR004839	Aminotransferase, class I/classII, large domain	Domain
B [auth T]	IPR050087	8-amino-7-oxononanoate synthase class-II	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C [auth A]	Pharos: Q8N138	asthma ulcerative colitis acute lymphoblastic leukemia atrial fibrillation osteosarcoma systemic lupus erythematosus allergic rhinitis cervical cancer primary biliary cholangitis systemic sclerosis Crohn disease rheumatoid arthritis
D [auth E]	Pharos: Q969W0	adrenal cortex carcinoma glioblastoma invasive ductal breast carcinoma malignant colon neoplasm osteosarcoma psoriasis breast cancer hereditary spastic paraplegia lung adenocarcinoma malignant ependymoma ovarian cancer ductal breast carcinoma in situ interstitial lung disease lung cancer malignant glioma adrenal cortex carcinoma glioblastoma invasive ductal breast carcinoma malignant colon neoplasm osteosarcoma psoriasis breast cancer hereditary spastic paraplegia lung adenocarcinoma malignant ependymoma ovarian cancer ductal breast carcinoma in situ interstitial lung disease lung cancer malignant glioma pancreatic ductal adenocarcinoma
A [auth S], E [auth C]	Pharos: O15269	neuropathy, hereditary sensory and autonomic, type 1A peripheral neuropathy Charcot-Marie-Tooth disease tuberculosis adenoma Emery-Dreifuss muscular dystrophy juvenile dermatomyositis myopathy ovarian cancer peripheral nervous system disease psoriasis astrocytic tumor Hereditary Sensory Autonomic Neuropathy, Type 1 large cell medulloblastoma neurodegenerative disease neuropathy, hereditary sensory and autonomic, type 1A peripheral neuropathy Charcot-Marie-Tooth disease tuberculosis adenoma Emery-Dreifuss muscular dystrophy juvenile dermatomyositis myopathy ovarian cancer peripheral nervous system disease psoriasis astrocytic tumor Hereditary Sensory Autonomic Neuropathy, Type 1 large cell medulloblastoma neurodegenerative disease Riley-Day syndrome intellectual disability pancreatic intraductal papillary-mucinous neoplasm plasma cell myeloma
B [auth T]	Pharos: O15270	neuropathy, hereditary sensory and autonomic, type 1C peripheral neuropathy pancreatic intraductal papillary-mucinous neoplasm Riley-Day syndrome atypical teratoid rhabdoid tumor glioblastoma intellectual disability malignant pancreatic neoplasm neurodegenerative disease osteosarcoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pilocytic astrocytoma subependymal giant cell astrocytoma Charcot-Marie-Tooth disease neuropathy, hereditary sensory and autonomic, type 1C peripheral neuropathy pancreatic intraductal papillary-mucinous neoplasm Riley-Day syndrome atypical teratoid rhabdoid tumor glioblastoma intellectual disability malignant pancreatic neoplasm neurodegenerative disease osteosarcoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pilocytic astrocytoma subependymal giant cell astrocytoma Charcot-Marie-Tooth disease hepatocellular carcinoma lung adenocarcinoma medulloblastoma ovarian cancer pancreatic intraductal papillary-mucinous carcinoma peripheral nervous system disease psoriasis tuberculosis cutaneous lupus erythematosus Hereditary Sensory Autonomic Neuropathy, Type 1 malignant glioma multiple sclerosis non-small cell lung carcinoma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth S], B [auth T], C [auth A], D [auth E], E [auth C]	OPM				ORMDL family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth S], B [auth T], C [auth A], D [auth E], E [auth C]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A [auth S], B [auth T], C [auth A], D [auth E], E [auth C]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth S], B [auth T], C [auth A], D [auth E], E [auth C]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	S-acyltransferases	Serine palmitoyltransferase (SPT) in complex with ORMDL3, dimer

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 R01GM133198.