Structure of PDB 7ubn Chain C Binding Site BS02

Receptor Information
>7ubn Chain C (length=1339) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SYTEKKRIRKDFGKRPQVLDVPYLLSIQLDSFQKFIEQDPEGQYGLEAAF
RSVFPIQSYSGNSELQYVSYRLGEPVFDVQECQIRGVTYSAPLRVKLRLV
IYEREAPEGTVKDIKEQEVYMGEIPLMTDNGTFVINGTERVIVSQLHRSP
GVFFDSDKGKTHSSGKVLYNARIIPYRGSWLDFEFDPKDNLFVRIDRRRK
LPATIILRALNYTTEQILDLFFEKVIFEIRDNKLQMELVPERLRGETASF
DIEANGKVYVEKGRRITARHIRQLEKDDVKLIEVPVEYIAGKVVAKDYID
ESTGELICAANMELSLDLLAKLSQSGHKRIETLFTNDLDHGPYISETLRV
DPTNDRLSALVEIYRMMRPGEPPTREAAESLFENLFFSEDRYDLSAVGRM
KFNRSLLREEIEGSGILSKDDIIDVMKKLIDIRNGKGEVDDIDHLGNRRI
RSVGEMAENQFRVGLVRVERAVKERLSLGDLDTLMPQDMINAKPISAAVK
EFFGSSQLSQFMDQNNPLSEITHKRRISALGPGGLTRERAGFEVRDVHPT
HYGRVCPIETPEGPNIGLINSLSVYAQTNEYGFLETPYRKVTDGVVTDEI
HYLSAIEEGNYVIAQANSNLDEEGHFVEDLVTCRSKGESSLFSRDQVDYM
DVSTQQVVSVGASLIPFLEHDDANRALMGANMQRQAVPTLRADKPLVGTG
MERAVAVDSGVTAVAKRGGVVQYVDASRIVIKVNEDEMYPGEAGIDIYNL
TKYTRSNQNTCINQMPCVSLGEPVERGDVLADGPSTDLGELALGQNMRVA
FMPWNGYNFEDSILVSERVVQEDRFTTIHIQELACVSRDTKLGPEEITAD
IPNVGEAALSKLDESGIVYIGAEVTGGDILVGKVTPKGETQLTPEEKLLR
AIFGEKASDVKDSSLRVPNGVSGTVIDVQVFTRDGVEKDKRALEIEEMQL
KQAKKDLSEELQILEAGLFSRIRAVLVAGGVEAEKLDKLPRDRWLELGLT
DEEKQNQLEQLAEQYDELKHEFEKKLEAKRRKITQGDDLAPGVLKIVKVY
LAVKRRIQPGDKMAGRHGNKGVISKINPIEDMPYDENGTPVDIVLNPLGV
PSRMNIGQILETHLGMAAKGIGDKINAMLKQQQEVAKLREFIQRAYDLGA
DVRQKVDLSTFSDEEVMRLAENLRKGMPIATPVFDGAKEAEIKELLKLGD
LPTSGQIRLYDGRTGEQFERPVTVGYMYMLKLNHLVDDKMHARSTGSYSL
VTQQPLGGKAQFGGQRFGEMEVWALEAYGAAYTLQEMLTVKSDDVNGRTK
MYKNIVDGNHQMEPGMPESFNVLLKEIRSLGINIELEDE
Ligand information
>7ubn Chain 2 (length=52) [Search DNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
accacaacgagttacctctccaagtgtcaaatttacccaattttattcaa
ta
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7ubn In transcription antitermination by Q lambda , NusA induces refolding of Q lambda to form a nozzle that extends the RNA polymerase RNA-exit channel.
Resolution3.36 Å
Binding residue
(original residue number in PDB)		N139 G1261 K1262 R1269 M1273
Binding residue
(residue number reindexed from 1)		N136 G1258 K1259 R1266 M1270
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:7ubn, PDBe:7ubn, PDBj:7ubn
PDBsum7ubn
PubMed35951650
UniProtP0A8V2|RPOB_ECOLI DNA-directed RNA polymerase subunit beta (Gene Name=rpoB)

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