2FU5

structure of Rab8 in complex with MSS4

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)
A	d2fu5a1	All beta proteins	Mss4-like	Mss4-like	RabGEF Mss4	RabGEF Mss4	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2fu5a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2fu5b2	All beta proteins	Mss4-like	Mss4-like	RabGEF Mss4	RabGEF Mss4	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2fu5b3	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d2fu5c1	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	G proteins	Rab8a	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d2fu5d_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	G proteins	Rab8a	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Mss4-like	8043157	3001994	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Mss4-like	8043157	3001994	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Ras-like P-loop GTPases	8057396	3002022	SCOP2B (2022-06-29)
D	SCOP2 Family	Ras-like monodomain GTPases	8057395	4004043	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Ras-like P-loop GTPases	8057396	3002022	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	Mss4	e2fu5A1	A: beta complex topology	X: ETN0001 domain-like (From Homology)	H: ETN0001 domain-like	T: Mss4-like	F: Mss4	ECOD (1.6)
B	Mss4	e2fu5B1	A: beta complex topology	X: ETN0001 domain-like (From Homology)	H: ETN0001 domain-like	T: Mss4-like	F: Mss4	ECOD (1.6)
C	Ras	e2fu5C1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ras	ECOD (1.6)
D	Ras	e2fu5D1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ras	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.170.150.10	Mainly Beta	Beta Complex	Metal Binding Protein, Guanine Nucleotide Exchange Factor	Chain A	CATH (4.3.0)
B	2.170.150.10	Mainly Beta	Beta Complex	Metal Binding Protein, Guanine Nucleotide Exchange Factor	Chain A	CATH (4.3.0)
C	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
D	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF04421	Mss4 protein (Mss4)	Mss4 protein		Domain
C, D	PF00071	Ras family (Ras)	Ras family	Includes sub-families Ras, Rab, Rac, Ral, Ran, Rap Ypt1 and more. Shares P-loop motif with GTP_EFTU, arf and myosin_head. See Pfam:PF00009 Pfam:PF00025, Pfam:PF00063. As regards Rab GTPases, these are important regulators of vesicle formation, motili ...	Includes sub-families Ras, Rab, Rac, Ral, Ran, Rap Ypt1 and more. Shares P-loop motif with GTP_EFTU, arf and myosin_head. See Pfam:PF00009 Pfam:PF00025, Pfam:PF00063. As regards Rab GTPases, these are important regulators of vesicle formation, motility and fusion. They share a fold in common with all Ras GTPases: this is a six-stranded beta-sheet surrounded by five alpha-helices [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Guanine nucleotide exchange factor MSS4	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	membrane organization cellular component organization membrane fusion cellular process cellular component organization or biogenesis localization post-Golgi vesicle-mediated transport transport establishment of localization Golgi vesicle transport vesicle-mediated transport cellular response to stimulus regulation of biological process small GTPase-mediated signal transduction membrane organization cellular component organization membrane fusion cellular process cellular component organization or biogenesis localization post-Golgi vesicle-mediated transport transport establishment of localization Golgi vesicle transport vesicle-mediated transport cellular response to stimulus regulation of biological process small GTPase-mediated signal transduction regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication intracellular signaling cassette signal transduction protein localization establishment of protein localization cellular localization nitrogen compound transport protein transport cellular macromolecule localization macromolecule localization	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane
C, D	Ras-related protein Rab-8A	small GTPase binding protein binding binding enzyme binding GTPase binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding small GTPase binding protein binding binding enzyme binding GTPase binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding GDP binding cytoskeletal protein binding myosin V binding myosin binding protein tyrosine kinase binding kinase binding protein kinase binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity	protein localization localization cellular localization protein localization to cilium protein localization to organelle cellular macromolecule localization macromolecule localization cellular process catabolic process autophagy metabolic process process utilizing autophagic mechanism transport secretion protein localization localization cellular localization protein localization to cilium protein localization to organelle cellular macromolecule localization macromolecule localization cellular process catabolic process autophagy metabolic process process utilizing autophagic mechanism transport secretion export from cell membrane docking establishment of localization vesicle-mediated transport organelle localization by membrane tethering secretion by cell exocytosis organelle localization vesicle docking exocytic process vesicle docking involved in exocytosis protein localization to cell periphery protein localization to plasma membrane localization within membrane protein localization to membrane membrane organization membrane fusion organelle membrane fusion vesicle organization cellular component organization organelle fusion organelle organization Golgi vesicle fusion to target membrane cellular component organization or biogenesis vesicle fusion Golgi vesicle transport organelle assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component assembly cilium assembly cilium organization cell projection assembly multicellular organismal process axonogenesis cellular developmental process plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis neurogenesis multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation anatomical structure development system development developmental process nervous system development axon development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis neuron development regulation of localization regulation of biological process establishment of protein localization nitrogen compound transport regulation of cellular process regulation of protein localization regulation of transport biological regulation regulation of establishment of protein localization regulation of protein transport protein transport regulation of cellular localization regulation of neuronal synaptic plasticity regulation of synaptic plasticity trans-synaptic signaling regulation of signaling regulation of long-term neuronal synaptic plasticity modulation of chemical synaptic transmission signaling cell-cell signaling chemical synaptic transmission cell communication synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication regulation of biological quality vesicle-mediated transport in synapse cellular response to stimulus cellular response to nitrogen compound response to stimulus response to endogenous stimulus response to peptide hormone response to oxygen-containing compound cellular response to peptide hormone stimulus response to nitrogen compound cellular response to oxygen-containing compound cellular response to endogenous stimulus cellular response to chemical stimulus response to hormone response to chemical response to insulin cellular response to insulin stimulus cellular response to hormone stimulus regulation of catabolic process regulation of autophagy regulation of metabolic process protein localization to synapse neurotransmitter receptor transport to postsynaptic membrane establishment of protein localization to plasma membrane establishment of protein localization to postsynaptic membrane endocytic recycling neurotransmitter receptor transport to plasma membrane neurotransmitter receptor transport, endosome to plasma membrane establishment of localization in cell neurotransmitter receptor transport, endosome to postsynaptic membrane protein localization to postsynaptic membrane neurotransmitter receptor transport establishment of protein localization to membrane intracellular transport protein-containing complex localization endosomal transport vesicle-mediated transport to the plasma membrane endosome to plasma membrane protein transport regulation of postsynaptic membrane neurotransmitter receptor levels protein localization to postsynapse protein localization to cell junction receptor localization to synapse intracellular protein transport Golgi organization endomembrane system organization	membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection midbody intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection midbody intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle microtubule cytoskeleton centriole intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle cytoplasmic vesicle cytoplasm vesicle endocytic vesicle cell periphery plasma membrane membrane somatodendritic compartment dendrite dendritic tree neuron projection non-motile cilium lytic vacuole vacuole lysosome synapse cell junction glutamatergic synapse ciliary membrane bounding membrane of organelle plasma membrane region organelle membrane cell projection membrane cytoplasmic vesicle membrane vesicle membrane transport vesicle endomembrane system trans-Golgi network transport vesicle clathrin-coated vesicle coated vesicle Golgi-associated vesicle phagocytic vesicle membrane endocytic vesicle membrane endosome membrane endosome recycling endosome recycling endosome membrane Golgi apparatus cell body neuronal cell body ciliary base ciliary basal body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR007515	Mss4	Family
A, B	IPR011057	Mss4-like superfamily	Homologous Superfamily
A, B	IPR011323	Mss4/translationally controlled tumour-associated TCTP	Homologous Superfamily
C, D	IPR050305	Small GTPase superfamily, Rab	Family
C, D	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
C, D	IPR005225	Small GTP-binding domain	Domain
C, D	IPR001806	Small GTPase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P47224	astrocytic tumor ductal breast carcinoma in situ lung cancer psoriasis atypical teratoid rhabdoid tumor invasive ductal breast carcinoma malignant ependymoma breast cancer large cell medulloblastoma oligodendroglioma

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.