Annotations: 3TCA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PH	e3tcaA4	A: beta barrels	X: PH domain-like	H: PH domain-like (From Topology)	T: PH domain-like	F: PH	ECOD (1.6)
A	RA_2	e3tcaA3	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: RA_2	ECOD (1.6)
B	PH	e3tcaB6	A: beta barrels	X: PH domain-like	H: PH domain-like (From Topology)	T: PH domain-like	F: PH	ECOD (1.6)
B	RA_2	e3tcaB5	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: RA_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.20.90	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Phosphatidylinositol 3-kinase Catalytic Subunit	CATH (4.3.0)
A	2.30.29.30	Mainly Beta	Roll	PH-domain like	Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)	CATH (4.3.0)
B	3.10.20.90	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Phosphatidylinositol 3-kinase Catalytic Subunit	CATH (4.3.0)
B	2.30.29.30	Mainly Beta	Roll	PH-domain like	Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00788	Ras association (RalGDS/AF-6) domain (RA)	Ras association (RalGDS/AF-6) domain	RasGTP effectors (in cases of AF6, canoe and RalGDS); putative RasGTP effectors in other cases. Recent evidence (not yet in MEDLINE) shows that some RA domains do NOT bind RasGTP. Predicted structure [3] similar to that determined [1], and that of th ...	RasGTP effectors (in cases of AF6, canoe and RalGDS); putative RasGTP effectors in other cases. Recent evidence (not yet in MEDLINE) shows that some RA domains do NOT bind RasGTP. Predicted structure [3] similar to that determined [1], and that of the RasGTP-binding domain of Raf kinase.	Domain
A, B	PF00169	PH domain (PH)	PH domain	PH stands for pleckstrin homology.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Amyloid beta A4 precursor protein-binding family B member 1-interacting protein	-	regulation of biological process cell adhesion regulation of cellular process positive regulation of cell adhesion regulation of cell adhesion biological regulation positive regulation of biological process cellular process positive regulation of cellular process multicellular organismal process response to stimulus immune response cell activation lymphocyte activation regulation of biological process cell adhesion regulation of cellular process positive regulation of cell adhesion regulation of cell adhesion biological regulation positive regulation of biological process cellular process positive regulation of cellular process multicellular organismal process response to stimulus immune response cell activation lymphocyte activation cell activation involved in immune response leukocyte activation immune effector process T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell T cell activation involved in immune response T cell activation immune system process leukocyte activation involved in immune response lymphocyte activation involved in immune response cellular response to stimulus signaling signal transduction cell communication	anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium cell periphery protein-containing complex plasma membrane protein complex membrane plasma membrane anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium cell periphery protein-containing complex plasma membrane protein complex membrane plasma membrane plasma membrane signaling receptor complex membrane protein complex T cell receptor complex receptor complex intracellular organelle intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001849	Pleckstrin homology domain	Domain
A, B	IPR000159	Ras-associating domain	Domain
A, B	IPR039664	GRB/APBB1IP	Family
A, B	IPR039665	APBB1IP, PH domain	Domain
A, B	IPR011993	PH-like domain superfamily	Homologous Superfamily
A, B	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.