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2CKL

Ring1b-Bmi1 E3 catalytic domain structure

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
POLYCOMB GROUP RING FINGER PROTEIN 4polymer10812525.81UniProt (P25916)
Pfam (PF13923)
MUS MUSCULUS (MOUSE)BMI1, POLYCOMB COMPLEX PROTEIN BMI-1
2B
(B)
UBIQUITIN LIGASE PROTEIN RING2polymer16518727.51UniProt (Q9CQJ4)
Pfam (PF13923)
MUS MUSCULUS (MOUSE)RING1B, RING FINGER PROTEIN 2, RING FINGER PROTEIN 1B
3C, D, F, G
(A, B)
ZINC IONnon-polymer65.44Chemie (ZN)
4E, H
(A, B)
IODIDE IONnon-polymer126.92Chemie (IOD)
5I, J
(A, B)
waterwater18.0123Chemie (HOH)
Sequence modifications
B: -5 - 0 (PDB: 2CKL)
B: 1 - 159 (UniProt: Q9CQJ4)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight31253.3
Non-Polymers*Number of molecules6
Total formula weight515.4
All*Total formula weight31768.8
*Water molecules are not included.

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PDB entries from 2025-06-18

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