Annotations: 1AXI

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1axia_	All alpha proteins	4-helical cytokines	4-helical cytokines	Long-chain cytokines	Growth hormone, somatotropin	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1axib1	All beta proteins	Immunoglobulin-like beta-sandwich	Fibronectin type III	Fibronectin type III	Growth hormone receptor	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	4-helical cytokines	8037071	3001717	SCOP2B (2022-06-29)
B	SCOP2 Family	Fibronectin type III	8055124	4007555	SCOP2 (2022-06-29)
B	SCOP2 Family	Fibronectin type III	8055510	4007555	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Fibronectin type III	8055125	3002063	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Fibronectin type III	8055511	3002063	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		e1axiA1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: Flavivirus capsid protein C	T: Flavivirus capsid protein C	F:	ECOD (v294.1)
B	fn3	e1axiB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1250.10	Mainly Alpha	Up-down Bundle	Growth Hormone	Chain: A	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00041	Fibronectin type III domain (fn3)	Fibronectin type III domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	GROWTH HORMONE	molecular function activator activity molecular function regulator activity signaling receptor regulator activity growth factor activity receptor ligand activity signaling receptor activator activity growth hormone receptor binding protein binding binding signaling receptor binding cytokine receptor binding hormone receptor binding prolactin receptor binding hormone activity molecular function activator activity molecular function regulator activity signaling receptor regulator activity growth factor activity receptor ligand activity signaling receptor activator activity growth hormone receptor binding protein binding binding signaling receptor binding cytokine receptor binding hormone receptor binding prolactin receptor binding hormone activity growth hormone activity cytokine activity cation binding ion binding metal ion binding small molecule binding	cellular response to stimulus cellular response to nitrogen compound regulation of cellular process response to stimulus signaling response to peptide hormone cellular response to growth hormone stimulus cell surface receptor protein tyrosine kinase signaling pathway cell communication cellular response to endogenous stimulus response to hormone growth hormone receptor signaling pathway via JAK-STAT signal transduction enzyme-linked receptor protein signaling pathway cellular response to stimulus cellular response to nitrogen compound regulation of cellular process response to stimulus signaling response to peptide hormone cellular response to growth hormone stimulus cell surface receptor protein tyrosine kinase signaling pathway cell communication cellular response to endogenous stimulus response to hormone growth hormone receptor signaling pathway via JAK-STAT signal transduction enzyme-linked receptor protein signaling pathway cellular response to hormone stimulus regulation of biological process growth hormone receptor signaling pathway cell surface receptor signaling pathway response to endogenous stimulus biological regulation cellular response to peptide hormone stimulus response to oxygen-containing compound response to nitrogen compound cellular response to oxygen-containing compound response to growth hormone cellular response to chemical stimulus response to chemical cellular process response to cytokine cytokine-mediated signaling pathway response to peptide cellular response to cytokine stimulus developmental process animal organ development anatomical structure development cell surface receptor signaling pathway via STAT positive regulation of cell communication regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signal transduction positive regulation of biological process regulation of signal transduction intracellular signal transduction positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette positive regulation of cellular process regulation of signaling positive regulation of intracellular signal transduction positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction regulation of response to stimulus regulation of cell communication phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signaling cell surface receptor signaling pathway via JAK-STAT positive regulation of insulin-like growth factor receptor signaling pathway regulation of insulin-like growth factor receptor signaling pathway insulin-like growth factor receptor signaling pathway positive regulation of MAPK cascade regulation of MAPK cascade MAPK cascade positive regulation of receptor signaling pathway via STAT positive regulation of receptor signaling pathway via JAK-STAT regulation of receptor signaling pathway via JAK-STAT regulation of receptor signaling pathway via STAT regulation of multicellular organism growth multicellular organismal process regulation of growth regulation of developmental growth regulation of developmental process developmental growth growth positive regulation of multicellular organism growth positive regulation of developmental process multicellular organism growth positive regulation of growth positive regulation of multicellular organismal process regulation of multicellular organismal process positive regulation of developmental growth response to nutrient levels regulation of localization hexose transmembrane transport regulation of transport transport carbohydrate transport establishment of localization positive regulation of D-glucose transmembrane transport transmembrane transport localization regulation of transmembrane transport positive regulation of transport D-glucose transmembrane transport positive regulation of transmembrane transport regulation of D-glucose transmembrane transport monosaccharide transmembrane transport carbohydrate transmembrane transport bone maturation developmental maturation multicellular organism development skeletal system development anatomical structure maturation animal organ maturation bone development system development response to lipid response to estradiol	protein-containing complex growth hormone receptor complex signaling receptor complex cellular anatomical structure extracellular region membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen intracellular organelle protein-containing complex growth hormone receptor complex signaling receptor complex cellular anatomical structure extracellular region membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen intracellular organelle cytoplasmic vesicle organelle lumen organelle cytoplasm endosome lumen vesicle
B	GROWTH HORMONE RECEPTOR	protein tyrosine kinase activator activity enzyme regulator activity kinase activator activity enzyme activator activity molecular function activator activity molecular function regulator activity protein kinase activator activity protein kinase regulator activity kinase regulator activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity growth hormone receptor activity cytokine receptor activity protein tyrosine kinase activator activity enzyme regulator activity kinase activator activity enzyme activator activity molecular function activator activity molecular function regulator activity protein kinase activator activity protein kinase regulator activity kinase regulator activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity growth hormone receptor activity cytokine receptor activity immune receptor activity protein phosphatase binding phosphatase binding protein binding binding enzyme binding proline-rich region binding peptide hormone binding hormone binding protein tyrosine kinase binding kinase binding protein kinase binding identical protein binding SH2 domain binding protein domain specific binding growth factor binding cytokine binding protein homodimerization activity protein dimerization activity lipid binding	cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation response to cytokine cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular process cellular response to cytokine stimulus cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation response to cytokine cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular process cellular response to cytokine stimulus signal transduction localization import into cell receptor internalization transport receptor-mediated endocytosis endocytosis establishment of localization vesicle-mediated transport insulin-like growth factor receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway developmental process regulation of developmental process cellular developmental process positive regulation of biological process regulation of cell differentiation positive regulation of developmental process positive regulation of cell differentiation cell differentiation positive regulation of cellular process regulation of multicellular organism growth multicellular organismal process regulation of growth regulation of developmental growth developmental growth growth multicellular organism growth regulation of multicellular organismal process cell surface receptor signaling pathway via STAT cell surface receptor signaling pathway via JAK-STAT cellular response to nitrogen compound response to peptide hormone cellular response to growth hormone stimulus cellular response to endogenous stimulus response to hormone cellular response to hormone stimulus growth hormone receptor signaling pathway response to endogenous stimulus cellular response to peptide hormone stimulus response to oxygen-containing compound response to nitrogen compound cellular response to oxygen-containing compound response to growth hormone cellular response to chemical stimulus response to ketone response to cycloheximide response to alcohol response to abiotic stimulus response to gravity response to nutrient levels regulation of response to nutrient levels regulation of response to stimulus hormone-mediated signaling pathway regulation of hormone levels metabolic process regulation of biological quality hormone metabolic process response to interleukin-1 response to corticosteroid response to lipid response to steroid hormone response to glucocorticoid cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation positive regulation of cell communication positive regulation of signal transduction regulation of signal transduction intracellular signal transduction positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette regulation of signaling positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade MAPK cascade regulation of cell communication positive regulation of signaling positive regulation of receptor signaling pathway via STAT positive regulation of receptor signaling pathway via JAK-STAT regulation of receptor signaling pathway via JAK-STAT regulation of receptor signaling pathway via STAT positive regulation of multicellular organism growth positive regulation of growth positive regulation of multicellular organismal process positive regulation of developmental growth connective tissue development animal organ development endochondral bone morphogenesis tissue development multicellular organism development anatomical structure morphogenesis skeletal system development anatomical structure development skeletal system morphogenesis animal organ morphogenesis cartilage development involved in endochondral bone morphogenesis bone morphogenesis bone development system development cartilage development taurine metabolic process small molecule metabolic process sulfur compound metabolic process organic acid metabolic process alkanesulfonate metabolic process response to insulin cellular response to insulin stimulus response to food response to estradiol	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane intracellular anatomical structure cytoplasm cytosol protein-containing complex signaling receptor complex somatodendritic compartment cell body cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane intracellular anatomical structure cytoplasm cytosol protein-containing complex signaling receptor complex somatodendritic compartment cell body neuronal cell body growth hormone receptor complex intracellular organelle organelle membraneless organelle cytoplasmic ribonucleoprotein granule intracellular membraneless organelle supramolecular complex ribonucleoprotein granule extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001400	Somatotropin/prolactin	Family
A	IPR018116	Somatotropin hormone, conserved site	Conserved Site
A	IPR034975	Somatotropin	Family
A	IPR009079	Four-helical cytokine-like, core	Homologous Superfamily
B	IPR015152	Growth hormone/erythropoietin receptor, ligand binding	Domain
B	IPR025871	Growth hormone-binding protein	Domain
B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B	IPR003961	Fibronectin type III	Domain
B	IPR003528	Long hematopoietin receptor, single chain, conserved site	Conserved Site
B	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P01241	acromegaly isolated growth hormone deficiency type II short stature due to growth hormone qualitative anomaly isolated growth hormone deficiency type IB isolated growth hormone deficiency type IA muscular atrophy polycythemia Turner syndrome Mammary Neoplasms, Experimental pituitary adenocarcinoma pituitary gland adenoma obesity disorder pituitary cancer cardiovascular disease growth hormone-producing pituitary gland adenoma acromegaly isolated growth hormone deficiency type II short stature due to growth hormone qualitative anomaly isolated growth hormone deficiency type IB isolated growth hormone deficiency type IA muscular atrophy polycythemia Turner syndrome Mammary Neoplasms, Experimental pituitary adenocarcinoma pituitary gland adenoma obesity disorder pituitary cancer cardiovascular disease growth hormone-producing pituitary gland adenoma primary ovarian failure short stature due to partial GHR deficiency diabetes mellitus isolated congenital growth hormone deficiency pituitary tumor psoriasis osteogenesis imperfecta depressive disorder genetic endocrine growth disease
B	Pharos: P10912	Laron syndrome short stature due to partial GHR deficiency prostate cancer Liver Cirrhosis, Experimental familial hypercholesterolemia invasive ductal breast carcinoma lung adenocarcinoma malignant mesothelioma acromegaly nasopharyngeal carcinoma autism ovarian cancer breast carcinoma pancreatic intraductal papillary-mucinous neoplasm peripheral neuropathy Laron syndrome short stature due to partial GHR deficiency prostate cancer Liver Cirrhosis, Experimental familial hypercholesterolemia invasive ductal breast carcinoma lung adenocarcinoma malignant mesothelioma acromegaly nasopharyngeal carcinoma autism ovarian cancer breast carcinoma pancreatic intraductal papillary-mucinous neoplasm peripheral neuropathy cystic fibrosis ulcerative colitis isolated congenital growth hormone deficiency lung cancer medulloblastoma non-small cell lung carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia breast fibroadenoma pilocytic astrocytoma ductal breast carcinoma in situ hepatocellular carcinoma interstitial cystitis large cell medulloblastoma lung carcinoma myocardial ischemia atopic eczema oligodendroglioma breast cancer pancreatic intraductal papillary-mucinous carcinoma peripheral nervous system disease coronary artery disease Prader-Willi syndrome psoriasis growth hormone insensitivity syndrome Turner syndrome hypercholesterolemia, familial, 1

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.