Annotations: 1CYN

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1cyna_	All beta proteins	Cyclophilin-like	Cyclophilin-like	Cyclophilin (peptidylprolyl isomerase)	Cyclophilin (eukaryotic)	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	SCOP2 Family	Cyclophilin peptidylprolyl isomerase-like	8030409	4000390	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cyclophilin-like	8042788	3000168	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	PF00160	e1cynA1	A: beta barrels	X: Cyclophilin-like (From Topology)	H: Cyclophilin-like (From Topology)	T: Cyclophilin-like	F: PF00160	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.100.10	Mainly Beta	Beta Barrel	Cyclophilin	Cyclophilin-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00160	Cyclophilin type peptidyl-prolyl cis-trans isomerase/CLD (Pro_isomerase)	Cyclophilin type peptidyl-prolyl cis-trans isomerase/CLD	The peptidyl-prolyl cis-trans isomerases, also known as cyclophilins, share this domain of about 109 amino acids. Cyclophilins have been found in all organisms studied so far and catalyse peptidyl-prolyl isomerisation during which the peptide bond pr ...	The peptidyl-prolyl cis-trans isomerases, also known as cyclophilins, share this domain of about 109 amino acids. Cyclophilins have been found in all organisms studied so far and catalyse peptidyl-prolyl isomerisation during which the peptide bond preceding proline (the peptidyl-prolyl bond) is stabilised in the cis conformation. Mammalian cyclophilin A (CypA) is a major cellular target for the immunosuppressive drug cyclosporin A (CsA). Other roles for cyclophilins may include chaperone and cell signalling function [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PEPTIDYL-PROLYL CIS-TRANS ISOMERASE B	isomerase activity catalytic activity, acting on a protein peptidyl-prolyl cis-trans isomerase activity catalytic activity cis-trans isomerase activity RNA polymerase binding protein binding binding enzyme binding RNA binding organic cyclic compound binding nucleic acid binding unfolded protein binding amide binding isomerase activity catalytic activity, acting on a protein peptidyl-prolyl cis-trans isomerase activity catalytic activity cis-trans isomerase activity RNA polymerase binding protein binding binding enzyme binding RNA binding organic cyclic compound binding nucleic acid binding unfolded protein binding amide binding cyclosporin A binding	regulation of protein stability biological regulation regulation of biological quality protein stabilization biological process involved in interspecies interaction between organisms modulation by host of symbiont process viral life cycle modulation by host of viral genome replication biological process involved in symbiotic interaction modulation by host of viral process viral genome replication viral process positive regulation by host of viral process biological process involved in interaction with symbiont regulation of protein stability biological regulation regulation of biological quality protein stabilization biological process involved in interspecies interaction between organisms modulation by host of symbiont process viral life cycle modulation by host of viral genome replication biological process involved in symbiotic interaction modulation by host of viral process viral genome replication viral process positive regulation by host of viral process biological process involved in interaction with symbiont positive regulation by host of viral genome replication organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process chaperone-mediated protein folding developmental process multicellular organism development multicellular organismal process skeletal system development anatomical structure development animal organ development bone development system development cell chemotaxis cellular response to stimulus chemotaxis response to stimulus neutrophil chemotaxis response to external stimulus neutrophil migration granulocyte migration leukocyte migration cellular response to chemical stimulus taxis immune system process granulocyte chemotaxis response to chemical myeloid leukocyte migration cell migration cell motility leukocyte chemotaxis locomotion macromolecule modification peptidyl-amino acid modification peptidyl-proline modification protein modification process protein peptidyl-prolyl isomerization regulation of multicellular organism growth regulation of biological process regulation of growth regulation of developmental growth regulation of developmental process developmental growth growth positive regulation of biological process 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	anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction membrane membrane-bounded organelle intracellular anatomical structure pigment granule intracellular vesicle intracellular membrane-bounded organelle intracellular organelle melanosome cytoplasmic vesicle anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction membrane membrane-bounded organelle intracellular anatomical structure pigment granule intracellular vesicle intracellular membrane-bounded organelle intracellular organelle melanosome cytoplasmic vesicle organelle cytoplasm vesicle extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle cytosol endoplasmic reticulum smooth endoplasmic reticulum endomembrane system nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex endoplasmic reticulum lumen perinuclear region of cytoplasm endoplasmic reticulum chaperone complex endoplasmic reticulum protein-containing complex
B [auth C]	CYCLOSPORIN A	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029000	Cyclophilin-like domain superfamily	Homologous Superfamily
A	IPR002130	Cyclophilin-type peptidyl-prolyl cis-trans isomerase domain	Domain
A	IPR020892	Cyclophilin-type peptidyl-prolyl cis-trans isomerase, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P23284	osteogenesis imperfecta osteogenesis imperfecta type 9 osteogenesis imperfecta type 3 HIV infectious disease osteogenesis imperfecta type 4 myopathy osteogenesis imperfecta type 2 ovarian cancer astrocytic tumor plasma cell myeloma Crohn disease Prevention of Liver Transplant Rejection Duchenne muscular dystrophy limb-girdle muscular dystrophy malignant ependymoma osteogenesis imperfecta osteogenesis imperfecta type 9 osteogenesis imperfecta type 3 HIV infectious disease osteogenesis imperfecta type 4 myopathy osteogenesis imperfecta type 2 ovarian cancer astrocytic tumor plasma cell myeloma Crohn disease Prevention of Liver Transplant Rejection Duchenne muscular dystrophy limb-girdle muscular dystrophy malignant ependymoma mucocutaneous lymph node syndrome osteochondrodysplasia pancreatic intraductal papillary-mucinous neoplasm atypical teratoid rhabdoid tumor dermatomyositis rheumatoid arthritis Emery-Dreifuss muscular dystrophy lung adenocarcinoma malignant glioma mucopolysaccharidosis type 4 pilocytic astrocytoma Becker muscular dystrophy dry eye syndrome glioblastoma juvenile dermatomyositis lung cancer medulloblastoma

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B [auth C]	ABA	Parent Component: ALA RESID: AA0253 , AA0409 PSI-MOD : S-(2-aminovinyl)-3-methyl-D-cysteine MOD:00258 , L-2-aminobutanoic acid (Glu) MOD:00819
B [auth C]	BMT	Parent Component: THR RESID: AA0253 , AA0409
B [auth C]	DSN	RESID: AA0253 , AA0409 , AA0195 , AA0624 PSI-MOD : S-(2-aminovinyl)-3-methyl-D-cysteine MOD:00258 , L-2-aminobutanoic acid (Glu) MOD:00819 , D-serine (Ser) MOD:00202 , D-serine MOD:00891 , D-serine (Cys) MOD:00892 , 2-(L-cystein-S-yl)-D-serine MOD:01987
B [auth C]	MLE	Parent Component: LEU RESID: AA0253 , AA0409 , AA0195 , AA0624 , AA0337 PSI-MOD : S-(2-aminovinyl)-3-methyl-D-cysteine MOD:00258 , L-2-aminobutanoic acid (Glu) MOD:00819 , D-serine (Ser) MOD:00202 , D-serine MOD:00891 , D-serine (Cys) MOD:00892 , 2-(L-cystein-S-yl)-D-serine MOD:01987 , N-methyl-L-leucine MOD:00342
B [auth C]	MVA	Parent Component: VAL RESID: AA0253 , AA0409 , AA0195 , AA0624 , AA0337
B [auth C]	SAR	Parent Component: GLY RESID: AA0253 , AA0409 , AA0195 , AA0624 , AA0337 , AA0063 PSI-MOD : S-(2-aminovinyl)-3-methyl-D-cysteine MOD:00258 , L-2-aminobutanoic acid (Glu) MOD:00819 , D-serine (Ser) MOD:00202 , D-serine MOD:00891 , D-serine (Cys) MOD:00892 , 2-(L-cystein-S-yl)-D-serine MOD:01987 , N-methyl-L-leucine MOD:00342 , N-methylglycine MOD:00072

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.