6KVF | pdb_00006kvf

Structure of anti-hCXCR2 abN48 in complex with its CXCR2 epitope

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth L]	Pro_isomerase	e6kvfL1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Pro_isomerase	ECOD (v294.1)
D [auth C]	Pro_isomerase	e6kvfC1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Pro_isomerase	ECOD (v294.1)
A [auth H]	Pro_isomerase	e6kvfH1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Pro_isomerase	ECOD (v294.1)
B [auth A]	Pro_isomerase	e6kvfA1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Pro_isomerase	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
D [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
C [auth L], D [auth C]	Fab N48, anti-hCXCR2	L-LAMBDA	Homo sapiens (human)	IGLV5-4502, IGLV5-4503, IGLJ701, IGLC201, IGLC202, IGLC304	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202611-0)
A [auth H], B [auth A]	Fab N48, anti-hCXCR2	VH-CH1	Homo sapiens (human)	IGHV1-202, IGHJ401, IGHJ402, IGHJ403, IGHG101, IGHG102, IGHG104, IGHG105, IGHG112, IGHG114, IGHG113, IGHG109, IGHG110, IGHG107, IGHG1*11	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L], D [auth C]	Light Chain	IGLV5	Lambda	peptide from c-x-c chemokine receptor type 2	SAbDab (2026-03-27)
A [auth H], B [auth A]	Heavy Chain	IGHV1	-	peptide from c-x-c chemokine receptor type 2	SAbDab (2026-03-27)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L], D [auth C]	light chain	-	-	-
E [auth b], F [auth B]	Peptide from C-X-C chemokine receptor type 2	G protein-coupled chemoattractant receptor activity molecular transducer activity interleukin-8 receptor activity C-X-C chemokine receptor activity chemokine receptor activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity cytokine receptor activity immune receptor activity C-C chemokine receptor activity protein binding binding chemokine binding G protein-coupled chemoattractant receptor activity molecular transducer activity interleukin-8 receptor activity C-X-C chemokine receptor activity chemokine receptor activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity cytokine receptor activity immune receptor activity C-C chemokine receptor activity protein binding binding chemokine binding C-X-C chemokine binding interleukin-8 binding cytokine binding C-C chemokine binding	positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality localization import into cell receptor internalization transport cellular process receptor-mediated endocytosis endocytosis establishment of localization vesicle-mediated transport response to stimulus immune response positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality localization import into cell receptor internalization transport cellular process receptor-mediated endocytosis endocytosis establishment of localization vesicle-mediated transport response to stimulus immune response immune system process regulation of biological process regulation of cellular process negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death neutrophil activation multicellular organismal process cell activation myeloid leukocyte activation granulocyte activation leukocyte activation cell chemotaxis cellular response to stimulus 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 signaling intracellular signal transduction cell communication calcium-mediated signaling intracellular signaling cassette signal transduction cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation positive regulation of biological process positive regulation of cellular process dendritic cell chemotaxis dendritic cell migration mononuclear cell migration cell surface receptor signaling pathway phospholipase C-activating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway defense response response to stress cellular defense response inflammatory response response to cytokine cytokine-mediated signaling pathway response to peptide cellular response to interleukin-8 response to interleukin-8 cellular response to cytokine stimulus interleukin-8-mediated signaling pathway	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane-bounded organelle intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle mast cell granule cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane-bounded organelle intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle mast cell granule organelle cytoplasm lysosome mitotic spindle cytoskeleton spindle membraneless organelle intracellular membraneless organelle microtubule cytoskeleton nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen intracellular vesicle endomembrane system cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle secretory granule secretory vesicle vesicle organelle membrane secretory granule membrane
A [auth H], B [auth A]	heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth b], F [auth B]	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
E [auth b], F [auth B]	IPR000057	CXC chemokine receptor 2	Family
E [auth b], F [auth B]	IPR017452	GPCR, rhodopsin-like, 7TM	Domain
E [auth b], F [auth B]	IPR050119	C-C chemokine receptor type 1-9-like	Family
E [auth b], F [auth B]	IPR000174	CXC chemokine receptor 1/2	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
E [auth b], F [auth B]	Pharos: P25025	ulcerative colitis middle cerebral artery infarction allergic disease hypertensive disorder mastitis pneumonia Sepsis malignant pancreatic neoplasm ovarian cancer psoriasis tuberculosis lung carcinoma non-small cell lung carcinoma cancer esophageal adenocarcinoma ulcerative colitis middle cerebral artery infarction allergic disease hypertensive disorder mastitis pneumonia Sepsis malignant pancreatic neoplasm ovarian cancer psoriasis tuberculosis lung carcinoma non-small cell lung carcinoma cancer esophageal adenocarcinoma hepatocellular carcinoma lung adenocarcinoma malignant colon neoplasm osteosarcoma pneumonitis cutaneous lupus erythematosus exocrine pancreatic carcinoma transitional cell carcinoma juvenile idiopathic arthritis lung cancer

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.