Structure of PDB 6ldi Chain C

Receptor sequence
>6ldiC (length=1338) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
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
KMYKNIVDGNHQMEPGMPESFNVLLKEIRSLGINIELE
3D structure
PDB6ldi CueR activates transcription through a DNA distortion mechanism.
ChainC
Resolution3.69 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 C R175 W183 D199 R200 R371 I445 R473 L538 R542 R173 W181 D197 R198 R369 I443 R471 L536 R540
BS02 dna C G1261 K1262 Q1268 R1269 G1259 K1260 Q1266 R1267
BS03 rna C P564 N568 Q688 K1065 K1073 P562 N566 Q686 K1063 K1071
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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6ldi, PDBe:6ldi, PDBj:6ldi
PDBsum6ldi
PubMed32989300
UniProtP0A8V2|RPOB_ECOLI DNA-directed RNA polymerase subunit beta (Gene Name=rpoB)

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