Annotations: 3CXB

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SopE-like GEF domain	8092766	3001205	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)
A	PF06767	e3cxbA1	A: alpha arrays	X: SopE-like GEF domain (From Topology)	H: SopE-like GEF domain (From Topology)	T: SopE-like GEF domain	F: PF06767	ECOD (1.6)
A	PF06767	e3cxbA2	A: a+b two layers	X: Type III secretory system chaperone-like	H: N-terminal domain of secreted effector protein sifA (From Topology)	T: N-terminal domain of secreted effector protein sifA	F: PF06767	ECOD (1.6)
B	PF00169	e3cxbB1	A: beta barrels	X: PH domain-like	H: PH domain-like (From Topology)	T: PH domain-like	F: PF00169	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.2440.10	Alpha Beta	2-Layer Sandwich	Secreted effector protein SifA fold	Secreted effector protein SifA	CATH (4.3.0)
A	3.30.390.70	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
A	1.10.1740.30	Mainly Alpha	Orthogonal Bundle	Rna Polymerase Sigma Factor	Chain: A	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	PF06767	Sif protein (Sif)	Sif protein	-	Family
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	Protein sifA	-	symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms symbiont-mediated disruption of host cellular anatomical entity symbiont-mediated perturbation of host microtubule cytoskeleton symbiont-mediated perturbation of host cytoskeleton disruption of anatomical structure in another organism cellular response to stimulus symbiont-mediated perturbation of host cellular process regulation of cellular process small GTPase-mediated signal transduction response to stimulus signaling regulation of small GTPase mediated signal transduction regulation of signal transduction symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms symbiont-mediated disruption of host cellular anatomical entity symbiont-mediated perturbation of host microtubule cytoskeleton symbiont-mediated perturbation of host cytoskeleton disruption of anatomical structure in another organism cellular response to stimulus symbiont-mediated perturbation of host cellular process regulation of cellular process small GTPase-mediated signal transduction response to stimulus signaling regulation of small GTPase mediated signal transduction regulation of signal transduction intracellular signal transduction biological process involved in symbiotic interaction cell communication regulation of intracellular signal transduction intracellular signaling cassette signal transduction symbiont-mediated perturbation of host signal transduction pathway modulation of process of another organism regulation of biological process regulation of signaling symbiont-mediated perturbation of host small GTPase-mediated signal transduction biological regulation biological process involved in interaction with host regulation of response to stimulus modulation by symbiont of host process regulation of cell communication cellular process protein localization regulation of localization cellular localization regulation of protein localization localization regulation of cellular localization cellular macromolecule localization macromolecule localization	membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane extracellular region host intracellular part host cell cytoplasm host intracellular region
B	Pleckstrin homology domain-containing family M member 2	cytoskeletal protein binding protein binding binding kinesin binding	lymphocyte mediated immunity biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus leukocyte mediated cytotoxicity response to biotic stimulus immune effector process immune system process defense response to other organism response to stress natural killer cell mediated cytotoxicity lymphocyte mediated immunity biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus leukocyte mediated cytotoxicity response to biotic stimulus immune effector process immune system process defense response to other organism response to stress natural killer cell mediated cytotoxicity innate immune response leukocyte mediated immunity cellular process response to external biotic stimulus natural killer cell mediated immunity cell killing protein localization regulation of localization regulation of biological process cellular localization regulation of cellular process regulation of protein localization biological regulation localization regulation of cellular localization cellular macromolecule localization macromolecule localization cellular component organization organelle organization cellular component organization or biogenesis Golgi organization endomembrane system organization organelle localization lysosome localization vacuolar localization	endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane vacuolar membrane lytic vacuole vacuole lytic vacuole membrane lysosomal membrane lysosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR010637	Sif	Family
A	IPR044928	Secreted effector protein SifA, C-terminal domain superfamily	Homologous Superfamily
B	IPR037213	RUN domain superfamily	Homologous Superfamily
B	IPR004012	RUN domain	Domain
B	IPR047327	PLEKHM2, RUN domain	Domain
B	IPR001849	Pleckstrin homology domain	Domain
B	IPR011993	PH-like domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	Pharos: Q8IWE5	alcoholic pancreatitis malignant ependymoma large cell medulloblastoma medulloblastoma left ventricular noncompaction 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 R01GM133198.