1PIN: Peptidyl-prolyl cis-trans isomerase

PIN1 peptidyl-prolyl cis-trans isomerase from homo sapiens. Determined by X-ray diffraction at 1.35 Å resolution. Released 14 Oct 1998.

Method
X-ray diffraction
Resolution
1.35 Å
Organism
Homo sapiens
Chains
1
Atoms
1,458
Mol. weight
19.08 kDa
Ligands
1PG, PRO, ALA
Released
14 Oct 1998

Explore 1PIN in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1PIN contains 5 α-helices and 10 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 5 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand11-1551
β-strand22-2651
β-strand32-3321
β-strand55-6282
β-strand7213
β-strand7513
α-helix82-9817
α-helix103-1108
α-helix114-1185
β-strand121-12552
α-helix132-1409
α-helix141-1422
β-strand14612
β-strand150-15122
β-strand156-16162

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Peptidyl-prolyl cis-trans isomeraseAprotein163Homo sapiensQ13526 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1PIN_1 PEPTIDYL-PROLYL CIS-TRANS ISOMERASE (chains A)
MADEEKLPPGWEKRMSRSSGRVYYFNHITNASQWERPSGNSSSGGKNGQGEPARVRCSHL
LVKHSQSRRPSSWRQEKITRTKEEALELINGYIQKIKSGEEDFESLASQFSDCSSAKARG
DLGAFSRGQMQKPFEDASFALRTGEMSGPVFTDSGIHIILRTE

Ligands and cofactors

IDNameFormulaCopies
1PG2-(2-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-ethanolC11 H24 O62
PROProlineC5 H9 N O21
ALAAlanineC3 H7 N O21

Water and common crystallization additives (SO4) are not listed.

Primary citation

Structural and functional analysis of the mitotic rotamase Pin1 suggests substrate recognition is phosphorylation dependent. Ranganathan, R., Lu, K.P., Hunter, T. et al. Cell (1997) 89:875-886. DOI 10.1016/S0092-8674(00)80273-1 · PubMed

Other PDB entries of the same protein (UniProt Q13526 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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