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5WUQ

Crystal structure of SigW in complex with its anti-sigma RsiW, a zinc binding form

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
ECF RNA polymerase sigma factor SigWpolymer18721745.32UniProt (Q45585)
Pfam (PF04542)
Pfam (PF08281)
Bacillus subtilis subsp. subtilis str. 168ECF sigma factor SigW,Alternative RNA polymerase sigma factor SigW,RNA polymerase sigma-W factor,Sigma-W factor
2C, D
(C, D)
Anti-sigma-W factor RsiWpolymer809218.72UniProt (Q45588)
Pfam (PF13490)
Bacillus subtilis subsp. subtilis str. 168Regulator of SigW,Sigma-W anti-sigma factor RsiW
3E, F
(C, D)
ZINC IONnon-polymer65.42Chemie (ZN)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight61928.1
Non-Polymers*Number of molecules2
Total formula weight130.8
All*Total formula weight62058.9
*Water molecules are not included.

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PDB entries from 2025-07-09

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