Structure of PDB 1lb2 Chain B

Receptor sequence
>1lb2B (length=72) Species: 562 (Escherichia coli) [Search protein sequence]
DPILLRPVDDLELTVRSANCLKAEAIHYIGDLVQRTEVELLKTPNLGKKS
LTEIKDVLASRGLSLGMRLENW
3D structure
PDB1lb2 Structural basis of transcription activation: the CAP-alpha CTD-DNA complex.
ChainB
Resolution3.1 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.7.7.6: DNA-directed RNA polymerase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 dna B R265 P293 N294 G296 K298 S299 R16 P44 N45 G47 K49 S50
BS02 dna B V264 R265 N268 N294 V15 R16 N19 N45
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003899 DNA-directed 5'-3' RNA polymerase activity
Biological Process
GO:0006351 DNA-templated transcription

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Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1lb2, PDBe:1lb2, PDBj:1lb2
PDBsum1lb2
PubMed12202833
UniProtP0A7Z4|RPOA_ECOLI DNA-directed RNA polymerase subunit alpha (Gene Name=rpoA)

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