4IQ2 | pdb_00004iq2

P21 crystal form of FKBP12.6

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d4iq2b_	Alpha and beta proteins (a+b)	FKBP-like	FKBP-like	FKBP immunophilin/proline isomerase	Calcineurin (FKBP12.6)	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4iq2a_	Alpha and beta proteins (a+b)	FKBP-like	FKBP-like	FKBP immunophilin/proline isomerase	Calcineurin (FKBP12.6)	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)
B	SCOP2B Superfamily	Rotamase-like	8034864	3000622	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Rotamase-like	8034864	3000622	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PI31_Prot_N	e4iq2B1	A: a/b three-layered sandwiches	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: PI31_Prot_N	ECOD (v294.1)
A	PI31_Prot_N	e4iq2A1	A: a/b three-layered sandwiches	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: PI31_Prot_N	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.10.50.40	Alpha Beta	Roll	Chitinase A	domain 3	CATH (4.3.0)
A	3.10.50.40	Alpha Beta	Roll	Chitinase A	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00254	FKBP-type peptidyl-prolyl cis-trans isomerase (FKBP_C)	FKBP-type peptidyl-prolyl cis-trans isomerase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Peptidyl-prolyl cis-trans isomerase FKBP1B	protein binding binding signaling receptor binding isomerase activity catalytic activity, acting on a protein peptidyl-prolyl cis-trans isomerase activity catalytic activity cis-trans isomerase activity FK506 binding macrolide binding channel regulator activity ion channel regulator activity calcium channel regulator activity molecular function regulator activity protein binding binding signaling receptor binding isomerase activity catalytic activity, acting on a protein peptidyl-prolyl cis-trans isomerase activity catalytic activity cis-trans isomerase activity FK506 binding macrolide binding channel regulator activity ion channel regulator activity calcium channel regulator activity molecular function regulator activity transporter regulator activity transmembrane transporter binding molecular function inhibitor activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity channel inhibitor activity	protein refolding primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality protein refolding primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality regulation of calcium ion transport regulation of localization regulation of cellular process transport monoatomic ion transmembrane transport negative regulation of monoatomic ion transport negative regulation of biological process negative regulation of transport regulation of monoatomic ion transmembrane transport calcium ion transport metal ion transport negative regulation of transmembrane transport regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport localization intercellular transport negative regulation of monoatomic ion transmembrane transport negative regulation of release of sequestered calcium ion into cytosol negative regulation of cellular process monoatomic ion transport negative regulation of cation transmembrane transport monoatomic cation transport regulation of metal ion transport regulation of biological process calcium ion transmembrane import into cytosol regulation of transport regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport establishment of localization negative regulation of calcium ion transport transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport regulation of monoatomic cation transmembrane transport negative regulation of calcium ion transmembrane transport calcium ion transmembrane transport response to stimulus response to redox state sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum release of sequestered calcium ion into cytosol by endoplasmic reticulum regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum multicellular organismal process system process smooth muscle contraction muscle contraction muscle system process cellular response to stimulus signaling intracellular signal transduction cell communication calcium-mediated signaling intracellular signaling cassette signal transduction establishment of protein localization nitrogen compound transport carbohydrate homeostasis establishment of localization in cell intracellular protein localization regulation of hormone levels establishment of protein localization to extracellular region intracellular glucose homeostasis protein secretion cellular response to oxygen-containing compound cellular response to carbohydrate stimulus chemical homeostasis response to glucose response to chemical glucose homeostasis insulin secretion involved in cellular response to glucose stimulus cellular localization homeostatic process hormone secretion protein localization to extracellular region peptide secretion secretion by cell response to monosaccharide response to carbohydrate signal release cellular response to hexose stimulus intracellular chemical homeostasis cellular response to monosaccharide stimulus secretion cell-cell signaling export from cell response to oxygen-containing compound cellular response to glucose stimulus peptide transport response to hexose cellular response to chemical stimulus cellular homeostasis protein transport peptide hormone secretion macromolecule localization hormone transport insulin secretion cell population proliferation cell activation lymphocyte activation leukocyte proliferation leukocyte activation mononuclear cell proliferation immune system process T cell activation lymphocyte proliferation T cell proliferation negative regulation of protein transport negative regulation of secretion negative regulation of hormone secretion negative regulation of secretion by cell regulation of peptide hormone secretion negative regulation of peptide hormone secretion negative regulation of establishment of protein localization regulation of protein secretion regulation of secretion negative regulation of protein secretion regulation of response to stimulus regulation of hormone secretion regulation of protein localization regulation of peptide secretion negative regulation of signaling negative regulation of cell communication negative regulation of peptide secretion regulation of secretion by cell negative regulation of protein localization regulation of signaling negative regulation of response to stimulus regulation of peptide transport negative regulation of insulin secretion involved in cellular response to glucose stimulus regulation of establishment of protein localization regulation of protein transport negative regulation of insulin secretion regulation of cellular localization regulation of insulin secretion regulation of insulin secretion involved in cellular response to glucose stimulus regulation of cell communication regulation of heart contraction regulation of system process cardiac muscle contraction circulatory system process regulation of cardiac muscle contraction regulation of blood circulation regulation of striated muscle contraction regulation of muscle contraction heart process regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion striated muscle contraction regulation of multicellular organismal process blood circulation regulation of cardiac muscle contraction by calcium ion signaling regulation of muscle system process heart contraction negative regulation of intracellular signal transduction regulation of signal transduction regulation of intracellular signal transduction regulation of calcium-mediated signaling negative regulation of calcium-mediated signaling negative regulation of signal transduction 'de novo' protein folding negative regulation of heart rate negative regulation of blood circulation negative regulation of heart contraction negative regulation of multicellular organismal process regulation of heart rate nervous system process action potential propagation action potential transmission of nerve impulse neuronal action potential propagation regulation of membrane potential	cellular anatomical structure membrane intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril cellular anatomical structure membrane intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex membrane-bounded organelle organelle subcompartment intracellular membrane-bounded organelle endomembrane system sarcoplasm endoplasmic reticulum subcompartment bounding membrane of organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum sarcoplasmic reticulum sarcoplasmic reticulum membrane organelle membrane endoplasmic reticulum membrane protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR046357	Peptidyl-prolyl cis-trans isomerase domain superfamily	Homologous Superfamily
A, B	IPR050689	FKBP-type Peptidyl-prolyl cis-trans Isomerase	Family
A, B	IPR001179	FKBP-type peptidyl-prolyl cis-trans isomerase domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P68106	tuberous sclerosis atopic eczema endogenous depression lung lymphangioleiomyomatosis Lymphangiomatosis renal cell carcinoma disappearing bone disease mucocutaneous lymph node syndrome dry eye syndrome lymphangioma rheumatoid arthritis

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.