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4CGY

Crystal structure of the human topoisomerase III alpha-RMI1 complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
DNA TOPOISOMERASE 3-ALPHApolymer75486584.61UniProt (Q13472)
Pfam (PF01751)
Pfam (PF01131)
Pfam (PF01396)
HOMO SAPIENS (HUMAN)DNA TOPOISOMERASE III ALPHA
2B
(B)
RECQ-MEDIATED GENOME INSTABILITY PROTEIN 1polymer21924644.51UniProt (Q9H9A7)
Pfam (PF21000)
Pfam (PF08585)
HOMO SAPIENS (HUMAN)BLM-ASSOCIATED PROTEIN OF 75 KDA, BLAP75, FAAP75
3C
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
4D, E
(A, B)
waterwater18.044Chemie (HOH)
Sequence modifications
A: 2 - 753 (UniProt: Q13472)
PDBExternal DatabaseDetails
Gly 0-expression tag
Arg 1-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight111229.1
Non-Polymers*Number of molecules1
Total formula weight24.3
All*Total formula weight111253.4
*Water molecules are not included.

247536

PDB entries from 2026-01-14

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