Structure of PDB 5ipm Chain C Binding Site BS02

Receptor Information
>5ipm Chain C (length=1340) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
YSYTEKKRIRKDFGKRPQVLDVPYLLSIQLDSFQKFIEQDPEGQYGLEAA
FRSVFPIQSYSGNSELQYVSYRLGEPVFDVQECQIRGVTYSAPLRVKLRL
VIYEREAPEGTVKDIKEQEVYMGEIPLMTDNGTFVINGTERVIVSQLHRS
PGVFFDSDKGKTHSSGKVLYNARIIPYRGSWLDFEFDPKDNLFVRIDRRR
KLPATIILRALNYTTEQILDLFFEKVIFEIRDNKLQMELVPERLRGETAS
FDIEANGKVYVEKGRRITARHIRQLEKDDVKLIEVPVEYIAGKVVAKDYI
DESTGELICAANMELSLDLLAKLSQSGHKRIETLFTNDLDHGPYISETLR
VDPTNDRLSALVEIYRMMRPGEPPTREAAESLFENLFFSEDRYDLSAVGR
MKFNRSLLREEIEGSGILSKDDIIDVMKKLIDIRNGKGEVDDIDHLGNRR
IRSVGEMAENQFRVGLVRVERAVKERLSLGDLDTLMPQDMINAKPISAAV
KEFFGSSQLSQFMDQNNPLSEITHKRRISALGPGGLTRERAGFEVRDVHP
THYGRVCPIETPEGPNIGLINSLSVYAQTNEYGFLETPYRKVTDGVVTDE
IHYLSAIEEGNYVIAQANSNLDEEGHFVEDLVTCRSKGESSLFSRDQVDY
MDVSTQQVVSVGASLIPFLEHDDANRALMGANMQRQAVPTLRADKPLVGT
GMERAVAVDSGVTAVAKRGGVVQYVDASRIVIKVNEDEMYPGEAGIDIYN
LTKYTRSNQNTCINQMPCVSLGEPVERGDVLADGPSTDLGELALGQNMRV
AFMPWNGYNFEDSILVSERVVQEDRFTTIHIQELACVSRDTKLGPEEITA
DIPNVGEAALSKLDESGIVYIGAEVTGGDILVGKVTPKGETQLTPEEKLL
RAIFGEKASDVKDSSLRVPNGVSGTVIDVQVFTRDGVEKDKRALEIEEMQ
LKQAKKDLSEELQILEAGLFSRIRAVLVAGGVEAEKLDKLPRDRWLELGL
TDEEKQNQLEQLAEQYDELKHEFEKKLEAKRRKITQGDDLAPGVLKIVKV
YLAVKRRIQPGDKMAGRHGNKGVISKINPIEDMPYDENGTPVDIVLNPLG
VPSRMNIGQILETHLGMAAKGIGDKINAMLKQQQEVAKLREFIQRAYDLG
ADVRQKVDLSTFSDEEVMRLAENLRKGMPIATPVFDGAKEAEIKELLKLG
DLPTSGQIRLYDGRTGEQFERPVTVGYMYMLKLNHLVDDKMHARSTGSYS
LVTQQPLGGKAQFGGQRFGEMEVWALEAYGAAYTLQEMLTVKSDDVNGRT
KMYKNIVDGNHQMEPGMPESFNVLLKEIRSLGINIELEDE
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB5ipm Structures of E. coli sigma S-transcription initiation complexes provide new insights into polymerase mechanism.
Resolution4.2 Å
Binding residue
(original residue number in PDB)		N494 K496 A500 K503 S508 E541 Q1268 R1269 M1273
Binding residue
(residue number reindexed from 1)		N492 K494 A498 K501 S506 E539 Q1266 R1267 M1271
Enzymatic activity
Enzyme Commision number 2.7.7.6: DNA-directed RNA polymerase.
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003899 DNA-directed 5'-3' RNA polymerase activity
GO:0005515 protein binding
GO:0016779 nucleotidyltransferase activity
GO:0032549 ribonucleoside binding
GO:0034062 5'-3' RNA polymerase activity
Biological Process
GO:0006351 DNA-templated transcription
GO:0006352 DNA-templated transcription initiation
GO:0006879 intracellular iron ion homeostasis
GO:0009408 response to heat
GO:0031564 transcription antitermination
GO:0032784 regulation of DNA-templated transcription elongation
GO:0036460 cellular response to cell envelope stress
GO:0042128 nitrate assimilation
GO:0044780 bacterial-type flagellum assembly
GO:0046677 response to antibiotic
GO:0048870 cell motility
GO:0071973 bacterial-type flagellum-dependent cell motility
GO:0090605 submerged biofilm formation
GO:2000142 regulation of DNA-templated transcription initiation
Cellular Component
GO:0000345 cytosolic DNA-directed RNA polymerase complex
GO:0000428 DNA-directed RNA polymerase complex
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0008023 transcription elongation factor complex
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:5ipm, PDBe:5ipm, PDBj:5ipm
PDBsum5ipm
PubMed27035955
UniProtP0A8V2|RPOB_ECOLI DNA-directed RNA polymerase subunit beta (Gene Name=rpoB)

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