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5CIZ

E. coli RNA polymerase alpha subunit CTD in complex with CAP and DNA: A(5)-tract binding site for alpha CTD

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
cAMP-activated global transcriptional regulator CRPpolymer20923541.21UniProt (P0ACJ8)
Pfam (PF00027)
Pfam (PF13545)
Escherichia coli (strain K12)Catabolite activator protein,CAP,Catabolite gene activator,cAMP receptor protein,CRP,cAMP regulatory protein
2B
(B)
DNA-directed RNA polymerase subunit alphapolymer849364.81UniProt (P0A7Z4)
Pfam (PF03118)
Escherichia coli (strain K12)RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
3C
(D)
DNA (5'-D(*CP*TP*TP*TP*TP*TP*GP*CP*CP*TP*AP*AP*AP*AP*TP*GP*TP*GP*AP*T)-3')polymer206114.01Escherichia coli
4D
(E)
DNA (5'-D(*CP*TP*AP*GP*AP*TP*CP*AP*CP*AP*TP*TP*TP*TP*AP*GP*GP*CP*AP*AP*AP*AP*AP*G)-3')polymer247385.81Escherichia coli
5E
(A)
ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATEnon-polymer329.21Chemie (CMP)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight46405.8
Non-Polymers*Number of molecules1
Total formula weight329.2
All*Total formula weight46735.0
*Water molecules are not included.

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PDB entries from 2026-01-21

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