1X6B | pdb_00001x6b

Solution structures of the SH3 domain of human rho guanine exchange factor (GEF) 16

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	SH3-domain	8062114	4000369	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SH3-domain	8062115	3000153	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HMG_box_2	e1x6bA1	A: a/b three-layered sandwiches	X: Globin-like	H: Globin-like	T: Globin-like	F: HMG_box_2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00018	SH3 domain (SH3_1)	SH3 domain	SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organisation. First described in the Src cytoplasmic tyrosine kinase Swiss:P12931. The structure is a partly opened beta barrel.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Rho guanine exchange factor (GEF) 16	small GTPase binding protein binding binding enzyme binding GTPase binding cell adhesion molecule binding cadherin binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity PDZ domain binding protein domain specific binding small GTPase binding protein binding binding enzyme binding GTPase binding cell adhesion molecule binding cadherin binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity PDZ domain binding protein domain specific binding protein tyrosine kinase binding kinase binding signaling receptor binding receptor tyrosine kinase binding protein kinase binding enzyme activator activity GTPase activator activity molecular function activator activity	cell chemotaxis cellular response to stimulus chemotaxis response to stimulus response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration cellular process cell motility locomotion positive regulation of protein localization to plasma membrane regulation of localization cell chemotaxis cellular response to stimulus chemotaxis response to stimulus response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration cellular process cell motility locomotion positive regulation of protein localization to plasma membrane regulation of localization cellular localization regulation of cellular process regulation of protein localization positive regulation of biological process localization intracellular protein localization regulation of protein localization to membrane positive regulation of cellular process positive regulation of protein localization to cell periphery regulation of biological process protein localization to cell periphery protein localization to plasma membrane biological regulation positive regulation of protein localization to membrane regulation of protein localization to cell periphery localization within membrane protein localization to membrane regulation of cellular localization macromolecule localization positive regulation of protein localization regulation of protein localization to plasma membrane regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process actin cytoskeleton organization regulation of organelle organization cellular component organization organelle organization regulation of actin cytoskeleton organization actin filament-based process cellular component organization or biogenesis cytoskeleton organization regulation of signaling small GTPase-mediated signal transduction signaling regulation of small GTPase mediated signal transduction regulation of signal transduction regulation of Cdc42 protein signal transduction regulation of Rho protein signal transduction intracellular signal transduction Rho protein signal transduction Cdc42 protein signal transduction cell communication regulation of intracellular signal transduction regulation of response to stimulus intracellular signaling cassette regulation of cell communication signal transduction activation of GTPase activity positive regulation of molecular function regulation of molecular function positive regulation of hydrolase activity regulation of catalytic activity regulation of hydrolase activity positive regulation of catalytic activity regulation of GTPase activity positive regulation of GTPase activity	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001849	Pleckstrin homology domain	Domain
A	IPR047271	Ephexin-like	Family
A	IPR047270	Ephexin-like, PH domain	Domain
A	IPR035797	ARHGEF16/ARHGEF26, SH3 domain	Domain
A	IPR000219	Dbl homology domain	Domain
A	IPR001452	SH3 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR035899	Dbl homology (DH) domain superfamily	Homologous Superfamily
A	IPR011993	PH-like domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q5VV41	heart disease malignant mesothelioma hypertensive disorder osteosarcoma lung adenocarcinoma psoriasis

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.

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