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6HPQ

Crystal structure of human Pif1 helicase in complex with AMP-PNP, brominated crystal form.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
ATP-dependent DNA helicase PIF1polymer41845483.62UniProt (Q9H611)
Pfam (PF05970)
Pfam (PF21530)
Homo sapiens (Human)DNA repair and recombination helicase PIF1,PIF1/RRM3 DNA helicase-like protein
2C, J
(A, B)
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTERnon-polymer506.22Chemie (ANP)
3D, K
(A, B)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
4E, F, G, H, I...
(A, B)
BROMIDE IONnon-polymer79.99Chemie (BR)
5P, Q
(A, B)
waterwater18.01197Chemie (HOH)
Sequence modifications
A, B: 206 - 620 (UniProt: Q9H611)
PDBExternal DatabaseDetails
Ser 203-expression tag
Arg 204-expression tag
Met 205-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight90967.2
Non-Polymers*Number of molecules13
Total formula weight1780.1
All*Total formula weight92747.3
*Water molecules are not included.

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PDB entries from 2025-07-09

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