7RTA | pdb_00007rta

Crystal structures of human PYY and NPY

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
B [auth L]	C1-set_4	e7rtaL1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
B [auth L]	V-set	e7rtaL2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
A [auth H]	V-set_8	e7rtaH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
A [auth H]	C1-set_1	e7rtaH2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth L]	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)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGKV1	Kappa	neuropeptide y	SAbDab (2025-12-19)
A [auth H]	Heavy Chain	IGHV1	-	neuropeptide y	SAbDab (2025-12-19)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth N]	Neuropeptide Y	protein binding binding signaling receptor binding molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity molecular function activator activity neuropeptide activity signaling receptor activator activity hormone activity molecular function regulator activity neuropeptide hormone activity signaling receptor regulator activity protein binding binding signaling receptor binding molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity molecular function activator activity neuropeptide activity signaling receptor activator activity hormone activity molecular function regulator activity neuropeptide hormone activity signaling receptor regulator activity receptor ligand activity neuropeptide Y receptor binding G protein-coupled receptor binding neuropeptide receptor binding channel regulator activity ion channel regulator activity calcium channel regulator activity transporter regulator activity	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation cell communication G protein-coupled receptor signaling pathway cellular process signal transduction neuropeptide signaling pathway nerve growth factor production multicellular organismal process regulation of nerve growth factor production cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation cell communication G protein-coupled receptor signaling pathway cellular process signal transduction neuropeptide signaling pathway nerve growth factor production multicellular organismal process regulation of nerve growth factor production regulation of multicellular organismal process neurotrophin production regulation of neurotrophin production developmental process cellular developmental process central nervous system neuron development cell development nervous system development generation of neurons central nervous system neuron differentiation multicellular organism development neurogenesis central nervous system development neuron differentiation cell differentiation neuron development anatomical structure development system development response to light stimulus photoperiodism response to radiation response to abiotic stimulus short-day photoperiodism positive regulation of cell communication positive regulation of signal transduction positive regulation of biological process regulation of signal transduction intracellular signal transduction positive regulation of response to stimulus positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette positive regulation of cellular 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 ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade positive regulation of signaling regulation of cell-substrate adhesion positive regulation of cell adhesion regulation of cell adhesion cell-substrate adhesion cell adhesion positive regulation of cell-substrate adhesion epithelium development digestive system development intestinal epithelial cell differentiation tube development tissue development digestive tract development epithelial cell differentiation columnar/cuboidal epithelial cell differentiation regulation of amine metabolic process dopamine metabolic process primary metabolic process catechol-containing compound metabolic process positive regulation of dopamine metabolic process regulation of primary metabolic process amine metabolic process positive regulation of metabolic process catecholamine metabolic process phenol-containing compound metabolic process metabolic process regulation of catecholamine metabolic process positive regulation of amine metabolic process regulation of metabolic process biogenic amine metabolic process regulation of dopamine metabolic process regulation of defense response regulation of acute inflammatory response to antigenic stimulus negative regulation of acute inflammatory response regulation of response to external stimulus negative regulation of inflammatory response negative regulation of biological process inflammatory response to antigenic stimulus negative regulation of acute inflammatory response to antigenic stimulus response to stress regulation of response to stress regulation of immune system process negative regulation of inflammatory response to antigenic stimulus acute inflammatory response defense response immune response negative regulation of response to stimulus negative regulation of immune response regulation of inflammatory response to antigenic stimulus response to external stimulus regulation of inflammatory response acute inflammatory response to antigenic stimulus negative regulation of immune system process immune system process negative regulation of response to external stimulus negative regulation of defense response regulation of immune response regulation of acute inflammatory response inflammatory response response to nutrient levels regulation of response to nutrient levels positive regulation of appetite regulation of response to food response to food response to chemical regulation of biological quality positive regulation of response to food regulation of appetite positive regulation of response to nutrient levels behavior feeding behavior cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation head development forebrain development animal organ development brain development pallium development cerebral cortex development telencephalon development monocyte activation cell activation myeloid leukocyte activation leukocyte activation synaptic signaling cell-cell signaling synaptic signaling via neuropeptide trans-synaptic signaling anterograde trans-synaptic signaling chemical synaptic transmission regulation of eating behavior positive regulation of feeding behavior eating behavior positive regulation of eating behavior regulation of behavior positive regulation of behavior positive regulation of multicellular organismal process regulation of feeding behavior inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis regulation of cytosolic calcium ion concentration regulation of presynaptic cytosolic calcium ion concentration cellular homeostasis neuron cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of localization cellular localization regulated exocytosis transport modulation of chemical synaptic transmission synaptic vesicle cycle synaptic vesicle exocytosis vesicle-mediated transport vesicle-mediated transport in synapse regulation of regulated secretory pathway localization regulation of secretion by cell secretion by cell signal release establishment of localization in cell neurotransmitter secretion regulation of transport secretion regulation of neurotransmitter transport regulation of synaptic vesicle exocytosis export from cell neurotransmitter transport regulation of vesicle-mediated transport establishment of localization regulation of secretion signal release from synapse regulation of trans-synaptic signaling exocytosis regulation of neurotransmitter secretion regulation of exocytosis adult feeding behavior adult behavior plasma membrane bounded cell projection organization cell projection organization neuron projection development cellular component organization cellular component organization or biogenesis system process circulatory system process regulation of blood pressure negative regulation of blood pressure blood circulation G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger	somatodendritic compartment cell body cellular anatomical structure perikaryon neuronal cell body membrane-bounded organelle intracellular anatomical structure dense core granule intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle somatodendritic compartment cell body cellular anatomical structure perikaryon neuronal cell body membrane-bounded organelle intracellular anatomical structure dense core granule intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle neuronal dense core vesicle axon synapse neuron projection axon terminus plasma membrane bounded cell projection presynapse cell projection distal axon terminal bouton cell junction neuron projection terminus GABA-ergic synapse Golgi apparatus extracellular region perinuclear region of cytoplasm extracellular space
B [auth L]	4A3B2-B Fab light chain	-	-	-
A [auth H]	4A3B2-B Fab heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth N]	IPR020392	Pancreatic hormone-like, conserved site	Conserved Site
C [auth N]	IPR001955	Pancreatic hormone-like	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C [auth N]	Pharos: P01303	Alzheimer disease substance withdrawal syndrome temporal lobe epilepsy peripheral neuropathy cocaine abuse Hypertrophy alcohol abuse epilepsy cerebral infarction cocaine dependence rhinitis anxiety disorder cardiovascular disease peripheral nervous system disease visual epilepsy Alzheimer disease substance withdrawal syndrome temporal lobe epilepsy peripheral neuropathy cocaine abuse Hypertrophy alcohol abuse epilepsy cerebral infarction cocaine dependence rhinitis anxiety disorder cardiovascular disease peripheral nervous system disease visual epilepsy melancholia asthma endogenous depression atypical teratoid rhabdoid tumor neurotic disorder oligodendroglioma type 2 diabetes mellitus large cell medulloblastoma psoriasis malignant glioma schizophrenia drug dependence astrocytic tumor substance dependence bronchitis substance-related disorder obesity disorder chronic bronchitis glioblastoma Pick disease inborn carbohydrate metabolic disorder major depressive disorder medulloblastoma seasonal affective disorder eating disorder substance abuse pilocytic astrocytoma alcohol-related disorders malignant ependymoma schizoaffective disorder depressive disorder

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
C [auth N]	NH2	RESID: AA0081 , AA0083 , AA0084 , AA0086 , AA0087 , AA0088 , AA0090 , AA0091 , AA0092 , AA0093 , AA0095 , AA0096 , AA0097 , AA0098 , AA0099 , AA0100 PSI-MOD : L-alanine amide MOD:00090 , L-asparagine amide MOD:00092 , L-aspartic acid 1-amide MOD:00093 , L-glutamine amide MOD:00095 , L-glutamic acid 1-amide MOD:00096 , glycine amide MOD:00097 , L-isoleucine amide MOD:00099 , L-leucine amide MOD:00100 , L-lysine amide MOD:00101 , L-methionine amide MOD:00102 , L-proline amide MOD:00104 , L-serine amide MOD:00105 , L-threonine amide MOD:00106 , L-tryptophan amide MOD:00107 , L-tyrosine amide MOD:00108 , L-valine amide MOD:00109

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.