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4N19

Structural basis of conformational transitions in the active site and 80 s loop in the FK506 binding protein FKBP12

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Peptidyl-prolyl cis-trans isomerase FKBP1Apolymer10711872.61UniProt (P62942)
Pfam (PF00254)
Homo sapiens (human)PPIase FKBP1A, 12 kDa FK506-binding protein, 12 kDa FKBP, FKBP-12, Calstabin-1, FK506-binding protein 1A, FKBP-1A, Immunophilin FKBP12, Rotamase
2B
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
3C
(A)
waterwater18.0148Chemie (HOH)
Sequence modifications
A: 1 - 107 (UniProt: P62942)
PDBExternal DatabaseDetails
Val 22Cys 23engineered mutation
Pro 89Gly 90engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight11872.6
Non-Polymers*Number of molecules1
Total formula weight96.1
All*Total formula weight11968.6
*Water molecules are not included.

247536

PDB entries from 2026-01-14

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