2LLU

Post-translational S-nitrosylation is an endogenous factor fine-tuning human S100A1 protein properties

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 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)
B	d2llub_	All alpha proteins	EF Hand-like	EF-hand	S100 proteins	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2llua_	All alpha proteins	EF Hand-like	EF-hand	S100 proteins	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	EF-hand	8070690	3001983	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	EF-hand	8070690	3001983	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	S_100	e2lluB1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: S_100	ECOD (1.6)
A	S_100	e2lluA1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: S_100	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
A	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01023	S-100/ICaBP type calcium binding domain (S_100)	S-100/ICaBP type calcium binding domain	The S-100 domain is a subfamily of the EF-hand calcium binding proteins.	Domain
A, B	PF00036	EF hand (EF-hand_1)	EF hand	The EF-hands can be divided into two classes: signalling proteins and buffering/transport proteins. The first group is the largest and includes the most well-known members of the family such as calmodulin, troponin C and S100B. These proteins typica ...	The EF-hands can be divided into two classes: signalling proteins and buffering/transport proteins. The first group is the largest and includes the most well-known members of the family such as calmodulin, troponin C and S100B. These proteins typically undergo a calcium-dependent conformational change which opens a target binding site. The latter group is represented by calbindin D9k and do not undergo calcium dependent conformational changes.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein S100-A1	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding protein binding S100 protein binding identical protein binding protein homodimerization activity protein dimerization activity calcium-dependent protein binding ATPase binding enzyme binding	heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process heart contraction blood circulation regulation of catalytic activity positive regulation of catalytic activity heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process heart contraction blood circulation regulation of catalytic activity positive regulation of catalytic activity regulation of oxidoreductase activity positive regulation of oxidoreductase activity positive regulation of nitric-oxide synthase activity regulation of molecular function positive regulation of molecular function regulation of monooxygenase activity positive regulation of monooxygenase activity regulation of nitric-oxide synthase activity developmental process head development animal organ development brain development nervous system development substantia nigra development multicellular organism development central nervous system development midbrain development anatomical structure development neural nucleus development system development regulation of sprouting angiogenesis regulation of developmental process positive regulation of biological process angiogenesis regulation of vasculature development positive regulation of developmental process tube morphogenesis positive regulation of sprouting angiogenesis regulation of anatomical structure morphogenesis blood vessel development regulation of multicellular organismal development blood vessel morphogenesis tube development positive regulation of angiogenesis sprouting angiogenesis vasculature development circulatory system development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process cellular response to stimulus regulation of cellular process response to stimulus signaling cellular process signal transduction intracellular signal transduction cell communication	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex Golgi apparatus endomembrane system extracellular region sarcoplasm endoplasmic reticulum sarcoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001751	S100/Calcium binding protein 7/8-like, conserved site	Conserved Site
A, B	IPR028486	Protein S100-A1	Family
A, B	IPR002048	EF-hand domain	Domain
A, B	IPR011992	EF-hand domain pair	Homologous Superfamily
A, B	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A, B	IPR013787	S100/CaBP-9k-type, calcium binding, subdomain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P23297	intracranial vasospasm atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma medulloblastoma primitive neuroectodermal tumor Cerebral Vasospasm malignant ependymoma oligodendroglioma psoriasis dermatomyositis juvenile dermatomyositis malignant glioma ovarian cancer

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.