8GOO | pdb_00008goo

Structure of beta-arrestin2 in complex with a phosphopeptide corresponding to the human C5a anaphylatoxin chemotactic receptor 1, C5aR1

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Gasdermin	e8gooC1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)
B	Gasdermin	e8gooB1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)
A	Gasdermin	e8gooA1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)
J [auth N]	Gasdermin	e8gooN1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)
H [auth L]	Gasdermin	e8gooL1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)
E	Gasdermin	e8gooE1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)
I [auth M]	Gasdermin	e8gooM1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)
G [auth H]	Gasdermin	e8gooH1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)
D	Gasdermin	e8gooD1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Gasdermin	ECOD (v294.1)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
E, H [auth L], J [auth N]	Light Chain	IGKV1	Kappa	beta-arrestin-2 \| c5a anaphylatoxin chemotactic receptor 1	SAbDab (2026-04-10)
D, G [auth H], I [auth M]	Heavy Chain	IGHV3	-	beta-arrestin-2 \| c5a anaphylatoxin chemotactic receptor 1	SAbDab (2026-04-10)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00339	Arrestin (or S-antigen), N-terminal domain (Arrestin_N)	Arrestin (or S-antigen), N-terminal domain	Ig-like beta-sandwich fold. Scop reports duplication with C-terminal domain.	Domain
A, B, C	PF02752	Arrestin (or S-antigen), C-terminal domain (Arrestin_C)	Arrestin (or S-antigen), C-terminal domain	Ig-like beta-sandwich fold. Scop reports duplication with N-terminal domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Beta-arrestin-2	ion binding binding anion binding phosphatidylinositol binding small molecule binding phosphatidylinositol-3,4,5-trisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding angiotensin receptor binding protein binding signaling receptor binding G protein-coupled receptor binding D1 dopamine receptor binding ion binding binding anion binding phosphatidylinositol binding small molecule binding phosphatidylinositol-3,4,5-trisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding angiotensin receptor binding protein binding signaling receptor binding G protein-coupled receptor binding D1 dopamine receptor binding dopamine receptor binding inositol hexakisphosphate binding alcohol binding	cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of biological process regulation of signaling positive regulation of MAPK cascade biological regulation positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of response to stimulus MAPK cascade regulation of cell communication cellular process ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade positive regulation of signaling localization import into cell receptor internalization transport receptor-mediated endocytosis endocytosis establishment of localization vesicle-mediated transport establishment of protein localization protein transport macromolecule localization intracellular protein localization regulation of localization regulation of cellular component organization positive regulation of cellular component organization regulation of receptor internalization cellular component organization positive regulation of endocytosis cellular component organization or biogenesis positive regulation of receptor-mediated endocytosis regulation of endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport positive regulation of receptor internalization positive regulation of transport negative adaptation of signaling pathway negative regulation of signaling negative regulation of biological process desensitization of G protein-coupled receptor signaling pathway negative regulation of G protein-coupled receptor signaling pathway negative regulation of cell communication negative regulation of cellular process regulation of G protein-coupled receptor signaling pathway negative regulation of response to stimulus negative regulation of signal transduction adaptation of signaling pathway G protein-coupled receptor signaling pathway trans-synaptic signaling modulation of chemical synaptic transmission cell-cell signaling chemical synaptic transmission synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling multicellular organismal process system process sensory perception nervous system process sensory perception of pain G protein-coupled receptor internalization	cellular anatomical structure clathrin-coated pit membrane endomembrane system cell periphery plasma membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle organelle cytoplasm cellular anatomical structure clathrin-coated pit membrane endomembrane system cell periphery plasma membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle organelle cytoplasm vesicle endocytic vesicle nucleus
F [auth G], K [auth U], L [auth V]	C5a anaphylatoxin chemotactic receptor 1	opsonin receptor activity molecular transducer activity complement receptor activity transmembrane signaling receptor activity signaling receptor activity complement component C5a receptor activity immune receptor activity G protein-coupled receptor activity	positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of biological process regulation of signaling positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of response to stimulus MAPK cascade regulation of cell communication cellular process ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade positive regulation of signaling multicellular organismal process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process regulation of cytokine production cytokine production regulation of multicellular organismal process positive regulation of macromolecule metabolic process regulation of vascular endothelial growth factor production regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression vascular endothelial growth factor production biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process positive regulation of vascular endothelial growth factor production regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process cellular component organization cell junction organization presynapse organization synapse organization cellular component organization or biogenesis immune response immune system process immune response-regulating cell surface receptor signaling pathway complement receptor mediated signaling pathway immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process positive regulation of immune system process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway regulation of immune response activation of immune response amyloid-beta clearance cell chemotaxis chemotaxis neutrophil chemotaxis response to external stimulus neutrophil migration granulocyte migration leukocyte migration cellular response to chemical stimulus taxis granulocyte chemotaxis response to chemical myeloid leukocyte migration cell migration cell motility leukocyte chemotaxis locomotion system process nervous system process cognition cell population proliferation positive regulation of cell population proliferation positive regulation of epithelial cell proliferation regulation of cell population proliferation regulation of epithelial cell proliferation epithelial cell proliferation positive regulation of locomotion regulation of cell motility positive regulation of chemotaxis positive regulation of cell migration positive regulation of neutrophil chemotaxis regulation of leukocyte chemotaxis regulation of leukocyte migration positive regulation of leukocyte chemotaxis positive regulation of granulocyte chemotaxis regulation of locomotion regulation of neutrophil chemotaxis regulation of neutrophil migration regulation of response to external stimulus regulation of granulocyte chemotaxis positive regulation of response to external stimulus positive regulation of cell motility regulation of cell migration positive regulation of leukocyte migration positive regulation of neutrophil migration regulation of chemotaxis macrophage migration regulation of mononuclear cell migration positive regulation of macrophage migration macrophage chemotaxis regulation of macrophage migration positive regulation of mononuclear cell migration regulation of macrophage chemotaxis mononuclear cell migration positive regulation of macrophage chemotaxis cellular developmental process astrocyte differentiation cell development astrocyte activation glial cell development multicellular organism development neurogenesis astrocyte development gliogenesis cell differentiation response to stress anatomical structure development system development developmental process defense response cell activation nervous system development central nervous system development glial cell differentiation glial cell activation inflammatory response neuroinflammatory response regulation of developmental process angiogenesis regulation of vasculature development positive regulation of developmental process tube morphogenesis regulation of anatomical structure morphogenesis blood vessel development regulation of multicellular organismal development blood vessel morphogenesis tube development positive regulation of angiogenesis vasculature development circulatory system development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis complement component C5a signaling pathway G protein-coupled receptor signaling pathway phospholipase C-activating G protein-coupled receptor signaling pathway mRNA transcription by RNA polymerase II RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process mRNA transcription mRNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process transcription by RNA polymerase II adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway adenylate cyclase-modulating G protein-coupled receptor signaling pathway cellular defense response sensory perception of chemical stimulus sensory perception biological process involved in interspecies interaction between organisms response to other organism response to oxygen-containing compound response to nitrogen compound response to biotic stimulus response to bacterium response to external biotic stimulus response to molecule of bacterial origin response to peptidoglycan myeloid leukocyte activation leukocyte activation macrophage activation leukocyte activation involved in inflammatory response microglial cell activation defense response to Gram-positive bacterium defense response to bacterium	cellular anatomical structure apical part of cell cell periphery plasma membrane membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system cellular anatomical structure apical part of cell cell periphery plasma membrane membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane
E, H [auth L], J [auth N]	Fab30 Light Chain	-	-	-
D, G [auth H], I [auth M]	Fab30 Heavy Chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR011022	Arrestin-like, C-terminal domain	Domain
A, B, C	IPR000698	Arrestin	Family
A, B, C	IPR011021	Arrestin-like, N-terminal	Domain
A, B, C	IPR014753	Arrestin, N-terminal	Homologous Superfamily
A, B, C	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A, B, C	IPR017864	Arrestin, conserved site	Conserved Site
A, B, C	IPR014752	Arrestin-like, C-terminal domain superfamily	Homologous Superfamily
F [auth G], K [auth U], L [auth V]	IPR002234	Anaphylatoxin chemotactic receptor, C3a/C5a1/C5a2	Family
F [auth G], K [auth U], L [auth V]	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
F [auth G], K [auth U], L [auth V]	IPR017452	GPCR, rhodopsin-like, 7TM	Domain
F [auth G], K [auth U], L [auth V]	IPR000826	Formyl peptide receptor-related	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
F [auth G], K [auth U], L [auth V]	Pharos: P21730	toxic shock syndrome Liver Cirrhosis, Experimental MALT lymphoma osteosarcoma psoriasis adrenal cortex carcinoma B-cell chronic lymphocytic leukemia gastric cancer granulomatosis with polyangiitis invasive ductal breast carcinoma lung cancer malignant glioma ovarian cancer ulcerative colitis cutaneous lupus erythematosus toxic shock syndrome Liver Cirrhosis, Experimental MALT lymphoma osteosarcoma psoriasis adrenal cortex carcinoma B-cell chronic lymphocytic leukemia gastric cancer granulomatosis with polyangiitis invasive ductal breast carcinoma lung cancer malignant glioma ovarian cancer ulcerative colitis cutaneous lupus erythematosus gastric carcinoma IgA glomerulonephritis lung carcinoma malignant mesothelioma non-small cell lung carcinoma pilocytic astrocytoma subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor glioblastoma interstitial cystitis lung adenocarcinoma malignant ependymoma

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
F [auth G], K [auth U], L [auth V]	SEP	Parent Component: SER RESID: AA0037 PSI-MOD : O-phospho-L-serine MOD:00046
F [auth G], K [auth U], L [auth V]	TPO	Parent Component: THR RESID: AA0037 , AA0038 PSI-MOD : O-phospho-L-serine MOD:00046 , O-phospho-L-threonine MOD:00047

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.