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5MK5

Structures of DHBN domain of human BLM helicase

Replaces:  5M1V
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Bloom syndrome proteinpolymer546391.64UniProt (P54132)
Pfam (PF08072)
Homo sapiens (Human)DNA helicase,RecQ-like type 2,RecQ2,RecQ protein-like 3
2AA, E, F, G, H...
(D, A, B, C)
IODIDE IONnon-polymer126.920Chemie (IOD)
3J, O, P
(A, C)
POTASSIUM IONnon-polymer39.13Chemie (K)
4BA, CA, DA, EA
(A, B, C, D)
waterwater18.0134Chemie (HOH)
Sequence modifications
A, B, C, D: 362 - 414 (UniProt: P54132)
PDBExternal DatabaseDetails
Met 361-initiating methionine
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight25566.2
Non-Polymers*Number of molecules23
Total formula weight2655.4
All*Total formula weight28221.6
*Water molecules are not included.

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PDB entries from 2025-12-17

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