6RLX

X-RAY STRUCTURE OF HUMAN RELAXIN AT 1.5 ANGSTROMS. COMPARISON TO INSULIN AND IMPLICATIONS FOR RECEPTOR BINDING DETERMINANTS

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6rlx.1	Small proteins	Insulin-like	Insulin-like	Insulin-like	Relaxin	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d6rlx.2	Small proteins	Insulin-like	Insulin-like	Insulin-like	Relaxin	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d6rlx.1	Small proteins	Insulin-like	Insulin-like	Insulin-like	Relaxin	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d6rlx.2	Small proteins	Insulin-like	Insulin-like	Insulin-like	Relaxin	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)
C	SCOP2B Superfamily	Insulin-like	8092068	3000307	SCOP2B (2022-06-29)
B	SCOP2 Family	Insulin-like	8092067	4003135	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Insulin-like	8092068	3000307	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	Insulin-like	8092068	3000307	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF00049	Insulin/IGF/Relaxin family (Insulin)	Insulin/IGF/Relaxin family	Superfamily includes insulins; relaxins; insulin-like growth factor; and bombyxin. All are secreted regulatory hormones. Disulfide rich, all-alpha fold. Alignment includes B chain, linker (which is processed out of the final product), and A chain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	RELAXIN, A-CHAIN	hormone activity protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity	regulation of molecular function regulation of catalytic activity biological regulation multi-multicellular organism process multicellular organismal process reproductive process female pregnancy multi-organism reproductive process regulation of developmental process positive regulation of biological process angiogenesis regulation of vasculature development positive regulation of developmental process multicellular organism development regulation of molecular function regulation of catalytic activity biological regulation multi-multicellular organism process multicellular organismal process reproductive process female pregnancy multi-organism reproductive process regulation of developmental process positive regulation of biological process angiogenesis regulation of vasculature development positive regulation of developmental process multicellular organism development tube morphogenesis anatomical structure development regulation of multicellular organismal process regulation of anatomical structure morphogenesis blood vessel development system development developmental process regulation of multicellular organismal development regulation of biological process blood vessel morphogenesis tube development positive regulation of angiogenesis vasculature development circulatory system development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process regulation of cellular process cellular biosynthetic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process cellular metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process	extracellular region cellular anatomical entity
B, D	RELAXIN, B-CHAIN	hormone activity protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity	regulation of molecular function regulation of catalytic activity biological regulation multi-multicellular organism process multicellular organismal process reproductive process female pregnancy multi-organism reproductive process regulation of developmental process positive regulation of biological process angiogenesis regulation of vasculature development positive regulation of developmental process multicellular organism development regulation of molecular function regulation of catalytic activity biological regulation multi-multicellular organism process multicellular organismal process reproductive process female pregnancy multi-organism reproductive process regulation of developmental process positive regulation of biological process angiogenesis regulation of vasculature development positive regulation of developmental process multicellular organism development tube morphogenesis anatomical structure development regulation of multicellular organismal process regulation of anatomical structure morphogenesis blood vessel development system development developmental process regulation of multicellular organismal development regulation of biological process blood vessel morphogenesis tube development positive regulation of angiogenesis vasculature development circulatory system development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process regulation of cellular process cellular biosynthetic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process cellular metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR022352	Insulin family	Family
A, C	IPR022421	Relaxin	Family
A, C	IPR022353	Insulin, conserved site	Conserved Site
A, C	IPR036438	Insulin-like superfamily	Homologous Superfamily
A, C	IPR016179	Insulin-like	Domain
B, D	IPR022352	Insulin family	Family
B, D	IPR022421	Relaxin	Family
B, D	IPR022353	Insulin, conserved site	Conserved Site
B, D	IPR036438	Insulin-like superfamily	Homologous Superfamily
B, D	IPR016179	Insulin-like	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, C	Pharos: P04090	prostate cancer Hashimoto thyroiditis osteosarcoma tuberculosis hypothyroidism ulcerative colitis malignant ependymoma Prostatic Neoplasms
B, D	Pharos: P04090	prostate cancer Hashimoto thyroiditis osteosarcoma tuberculosis hypothyroidism ulcerative colitis malignant ependymoma Prostatic Neoplasms

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, C	PCA	Parent Component: GLN RESID: AA0031 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.