Annotations: 8ZXW

Crystal structure of the anti-phosphorylated peptide C7 Fab antibody with peptide bound

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody 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)
E [auth B]	Reovirus_L2_GTase	e8zxwB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Reovirus_L2_GTase	ECOD (v295.2)
B [auth L]	GFO_IDH_MocA	e8zxwL01	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: GFO_IDH_MocA	ECOD (v295.2)
D [auth A]	Reovirus_L2_GTase	e8zxwA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Reovirus_L2_GTase	ECOD (v295.2)
A [auth H]	GFO_IDH_MocA	e8zxwH01	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: GFO_IDH_MocA	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L], E [auth B]	Light Chain	IGKV1	Kappa	rac-gamma serine/threonine-protein kinase	SAbDab (2026-08-21)
A [auth H], D [auth A]	Heavy Chain	IGHV1	-	rac-gamma serine/threonine-protein kinase	SAbDab (2026-08-21)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, F [auth D]	RAC-gamma serine/threonine-protein kinase	catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity protein serine kinase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity protein serine kinase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding protein serine/threonine kinase activity	multicellular organismal process regulation of developmental process artery development positive regulation of biological process positive regulation of developmental process multicellular organism development tube morphogenesis regulation of artery morphogenesis anatomical structure development regulation of anatomical structure morphogenesis blood vessel development system development developmental process regulation of biological process multicellular organismal process regulation of developmental process artery development positive regulation of biological process positive regulation of developmental process multicellular organism development tube morphogenesis regulation of artery morphogenesis anatomical structure development regulation of anatomical structure morphogenesis blood vessel development system development developmental process regulation of biological process positive regulation of artery morphogenesis blood vessel morphogenesis tube development biological regulation vasculature development circulatory system development anatomical structure morphogenesis artery morphogenesis animal gross anatomical part developmental 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 cellular process apoptotic process programmed cell death cellular response to stimulus response to stimulus signaling signal transduction cell communication positive regulation of locomotion regulation of cell motility regulation of blood vessel endothelial cell migration endothelial cell migration positive regulation of cell migration positive regulation of blood vessel endothelial cell migration regulation of locomotion positive regulation of endothelial cell migration positive regulation of cell motility regulation of cell migration blood vessel endothelial cell migration regulation of endothelial cell migration cell migration cell motility locomotion positive regulation of cellular process regulation of cellular component organization regulation of organelle organization cellular component organization organelle organization regulation of mitochondrion organization cellular component organization or biogenesis mitochondrion organization cell population proliferation positive regulation of cell population proliferation endothelial cell proliferation positive regulation of epithelial cell proliferation regulation of vascular endothelial cell proliferation regulation of endothelial cell proliferation regulation of cell population proliferation positive regulation of endothelial cell proliferation regulation of epithelial cell proliferation vascular endothelial cell proliferation epithelial cell proliferation positive regulation of vascular endothelial cell proliferation cellular response to nitrogen compound response to peptide hormone insulin receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway cellular response to endogenous stimulus response to hormone enzyme-linked receptor protein signaling pathway cellular response to hormone stimulus cell surface receptor signaling pathway response to endogenous stimulus response to oxygen-containing compound cellular response to peptide hormone stimulus response to nitrogen compound cellular response to oxygen-containing compound cellular response to chemical stimulus response to chemical response to insulin cellular response to insulin stimulus angiogenesis regulation of vasculature development regulation of multicellular organismal process regulation of multicellular organismal development positive regulation of angiogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process regulation of cellular senescence cellular senescence negative regulation of cellular senescence cellular response to stress response to stress negative regulation of signaling negative regulation of intracellular signal transduction regulation of cellular response to stress PERK-mediated unfolded protein response endoplasmic reticulum unfolded protein response regulation of response to endoplasmic reticulum stress regulation of signal transduction intracellular signal transduction integrated stress response signaling negative regulation of cell communication regulation of endoplasmic reticulum unfolded protein response regulation of intracellular signal transduction regulation of response to stress intracellular signaling cassette ER-nucleus signaling pathway response to endoplasmic reticulum stress negative regulation of endoplasmic reticulum unfolded protein response negative regulation of response to endoplasmic reticulum stress regulation of signaling cellular response to topologically incorrect protein regulation of PERK-mediated unfolded protein response negative regulation of response to stimulus cellular response to unfolded protein response to unfolded protein negative regulation of signal transduction negative regulation of PERK-mediated unfolded protein response regulation of response to stimulus response to topologically incorrect protein regulation of cell communication cell migration involved in sprouting angiogenesis positive regulation of cell migration involved in sprouting angiogenesis regulation of cell migration involved in sprouting angiogenesis sprouting angiogenesis	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen
B [auth L], E [auth B]	Fab, light chain	-	-	-
A [auth H], D [auth A]	Fab, heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, F [auth D]	IPR017441	Protein kinase, ATP binding site	Binding Site
C, F [auth D]	IPR001849	Pleckstrin homology domain	Domain
C, F [auth D]	IPR000719	Protein kinase domain	Domain
C, F [auth D]	IPR011993	PH-like domain superfamily	Homologous Superfamily
C, F [auth D]	IPR000961	AGC-kinase, C-terminal	Domain
C, F [auth D]	IPR034675	Protein kinase B gamma, catalytic domain	Domain
C, F [auth D]	IPR039026	Protein Kinase B, pleckstrin homology domain	Domain
C, F [auth D]	IPR017892	Protein kinase, C-terminal	Domain
C, F [auth D]	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
C, F [auth D]	IPR008271	Serine/threonine-protein kinase, active site	Active Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C, F [auth D]	: Q9Y243	megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 2 glioblastoma megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 1 malignant colon neoplasm medulloblastoma microcephaly acute myeloid leukemia osteosarcoma attention deficit hyperactivity disorder, inattentive type pancreatic intraductal papillary-mucinous neoplasm cerebral cortical dysplasia polydactyly Epileptic encephalopathy spina bifida hydrocephalus megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 2 glioblastoma megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 1 malignant colon neoplasm medulloblastoma microcephaly acute myeloid leukemia osteosarcoma attention deficit hyperactivity disorder, inattentive type pancreatic intraductal papillary-mucinous neoplasm cerebral cortical dysplasia polydactyly Epileptic encephalopathy spina bifida hydrocephalus large cell medulloblastoma macrocephaly/megalencephaly syndrome, autosomal recessive malignant ependymoma megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome nasopharyngeal carcinoma adrenal cortex carcinoma ovarian cancer brain glioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis tuberculosis intellectual disability lung adenocarcinoma malignant glioma melanoma non-small cell lung carcinoma anorexia nervosa pancreatic intraductal papillary-mucinous carcinoma breast cancer pituitary cancer cystic fibrosis Sjogren syndrome hemimegalencephaly ulcerative colitis invasive ductal breast carcinoma lung cancer

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
C, F [auth D]	SEP	Parent Component: SER : AA0037 : O-phospho-L-serine MOD:00046

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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.