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 (2021-05-27)
B	SCOP2 Family	Fibronectin type III	8055124	4007555	SCOP2 (2021-05-27)
B	SCOP2 Family	Fibronectin type III	8055510	4007555	SCOP2 (2021-05-27)
B	SCOP2 Superfamily	Fibronectin type III	8055125	3002063	SCOP2 (2021-05-27)
B	SCOP2 Superfamily	Fibronectin type III	8055511	3002063	SCOP2 (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00103	e1axiA1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: 4-helical cytokines (From Topology)	T: 4-helical cytokines	F: PF00103	ECOD (1.6)
B	PF00041	e1axiB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00041	ECOD (1.6)
B	PF09067	e1axiB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF09067	ECOD (1.6)

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	protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity growth factor activity receptor ligand activity signaling receptor activator activity growth hormone receptor binding cytokine receptor binding hormone receptor binding prolactin receptor binding hormone activity protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity growth factor activity receptor ligand activity signaling receptor activator activity growth hormone 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 regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling biological regulation response to cytokine cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular response to cytokine stimulus cellular process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling biological regulation response to cytokine cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular response to cytokine stimulus cellular process signal transduction developmental process animal organ development anatomical structure development 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 positive regulation of phosphorylation regulation of catalytic activity positive regulation of receptor signaling pathway via STAT regulation of transferase activity positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of metabolic process regulation of phosphate metabolic process peptidyl-amino acid modification phosphate-containing compound metabolic process regulation of receptor signaling pathway via JAK-STAT positive regulation of macromolecule metabolic process protein modification process phosphorus metabolic process positive regulation of protein phosphorylation protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation cellular metabolic process regulation of protein metabolic process primary metabolic process regulation of cellular metabolic process regulation of molecular function positive regulation of kinase activity regulation of kinase activity activation of protein kinase activity macromolecule modification positive regulation of activation of Janus kinase activity metabolic process regulation of phosphorus metabolic process macromolecule metabolic process regulation of receptor signaling pathway via STAT regulation of metabolic process cell surface receptor signaling pathway via STAT regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of cellular metabolic process peptidyl-tyrosine modification positive regulation of receptor signaling pathway via JAK-STAT regulation of activation of Janus kinase activity positive regulation of molecular function positive regulation of protein modification process positive regulation of peptidyl-tyrosine phosphorylation protein metabolic process positive regulation of protein kinase activity activation of Janus kinase activity organonitrogen compound metabolic process positive regulation of transferase activity regulation of peptidyl-tyrosine phosphorylation positive regulation of catalytic activity regulation of protein kinase activity regulation of macromolecule metabolic process regulation of phosphorylation peptidyl-tyrosine phosphorylation cell surface receptor signaling pathway via JAK-STAT cell surface receptor protein tyrosine kinase signaling pathway positive regulation of insulin-like growth factor receptor signaling pathway regulation of insulin-like growth factor receptor signaling pathway enzyme-linked receptor protein signaling pathway insulin-like growth factor receptor signaling pathway regulation of localization hexose transmembrane transport positive regulation of glucose transmembrane transport regulation of transport transport carbohydrate transport establishment of localization transmembrane transport regulation of glucose transmembrane transport localization regulation of transmembrane transport positive regulation of transport positive regulation of transmembrane transport glucose transmembrane transport monosaccharide transmembrane transport carbohydrate transmembrane transport regulation of MAP kinase activity positive regulation of protein serine/threonine kinase activity positive regulation of MAP kinase activity positive regulation of MAPK cascade regulation of MAPK cascade regulation of protein serine/threonine kinase activity MAPK cascade 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 response to organonitrogen compound 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 cellular response to organonitrogen compound positive regulation of growth regulation of growth growth tyrosine phosphorylation of STAT protein regulation of tyrosine phosphorylation of STAT protein positive regulation of tyrosine phosphorylation of STAT protein regulation of multicellular organism growth multicellular organismal process regulation of developmental growth regulation of developmental process developmental growth positive regulation of multicellular organism growth positive regulation of developmental process multicellular organism growth positive regulation of multicellular organismal process regulation of multicellular organismal process positive regulation of developmental growth response to nutrient levels 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 response to organic cyclic compound	protein-containing complex growth hormone receptor complex receptor complex extracellular region cellular anatomical entity extracellular space membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen protein-containing complex growth hormone receptor complex receptor complex extracellular region cellular anatomical entity extracellular space 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	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 amide binding peptide hormone binding 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 amide binding peptide hormone binding hormone binding identical protein binding SH2 domain binding protein domain specific binding growth factor binding cytokine binding protein homodimerization activity protein dimerization activity kinase binding protein kinase binding lipid binding	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling biological regulation response to cytokine cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular response to cytokine stimulus cellular process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling biological regulation response to cytokine cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular response to cytokine stimulus cellular process 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 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 response to organonitrogen compound 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 cellular response to organonitrogen compound response to ketone response to cycloheximide response to alcohol response to organic cyclic compound 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 positive regulation of cell communication positive regulation of signal transduction positive regulation of phosphorylation regulation of catalytic activity regulation of signal transduction regulation of transferase activity positive regulation of phosphate metabolic process regulation of MAP kinase activity intracellular signal transduction regulation of primary metabolic process positive regulation of protein serine/threonine kinase activity positive regulation of metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process intracellular signaling cassette positive regulation of macromolecule metabolic process phosphorus metabolic process protein modification process positive regulation of protein phosphorylation positive regulation of MAP kinase activity protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation positive regulation of MAPK cascade cellular metabolic process regulation of protein metabolic process regulation of cellular metabolic process primary metabolic process positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of molecular function positive regulation of kinase activity regulation of kinase activity regulation of protein serine/threonine kinase activity macromolecule modification regulation of phosphorus metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of cellular metabolic process positive regulation of response to stimulus positive regulation of molecular function positive regulation of protein modification process regulation of intracellular signal transduction protein metabolic process positive regulation of protein kinase activity regulation of signaling organonitrogen compound metabolic process positive regulation of transferase activity positive regulation of catalytic activity regulation of protein kinase activity regulation of macromolecule metabolic process MAPK cascade regulation of cell communication regulation of phosphorylation positive regulation of signaling peptidyl-amino acid modification tyrosine phosphorylation of STAT protein cell surface receptor signaling pathway via STAT peptidyl-tyrosine modification positive regulation of peptidyl-tyrosine phosphorylation regulation of tyrosine phosphorylation of STAT protein regulation of peptidyl-tyrosine phosphorylation positive regulation of tyrosine phosphorylation of STAT protein peptidyl-tyrosine phosphorylation cell surface receptor signaling pathway via JAK-STAT 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 cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane intracellular anatomical structure cytoplasm cytosol protein-containing complex receptor complex somatodendritic compartment cell body cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane intracellular anatomical structure cytoplasm cytosol protein-containing complex receptor complex somatodendritic compartment cell body neuronal cell body extracellular region extracellular space growth hormone receptor complex intracellular organelle organelle intracellular non-membrane-bounded organelle cytoplasmic ribonucleoprotein granule supramolecular complex non-membrane-bounded organelle ribonucleoprotein granule

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

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 R01GM133198.