Structure of PDB 6ca0 Chain D

Receptor sequence
>6ca0D (length=1352) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
TEEFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCARIFG
PVKDYECLCGKYKRLKHRGVICEKCGVEVTQTKVRRERMGHIELASPTAH
IWFLKSLPSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQILTEE
QYLDALEEFGDEFDAKMGAEAIQALLKSMDLEQECEQLREELNETNSETK
RKKLTKRIKLLEAFVQSGNKPEWMILTVLPVLPPDLRPLVPLDGGRFATS
DLNDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQEAVDALLDNGRRG
RAITGSNKRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPYLRL
HQCGLPKKMALELFKPFIYGKLELRGLATTIKAAKKMVEREEAVVWDILD
EVIREHPVLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADFDG
DQMAVHVPLTLEAQLEARALMMSTNNILSPANGEPIIVPSQDVVLGLYYM
TRDCVNAKGEGMVLTGPKEAERLYRSGLASLHARVKVRITEYEKDANGEL
VAKTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKAISKMLNTCYRILG
LKPTVIFADQIMYTGFAYAARSGASVGIDDMVIPEKKHEIISEAEAEVAE
IQEQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDGQE
EKQVSFNSIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITANF
REGLNVLQYFISTHGARKGLADTALKTANSGYLTRRLVDVAQDLVVTEDD
CGTHEGIMMTPVIEGGDVKEPLRDRVLGRVTAEDVLKPGTADILVPRNTL
LHEQWCDLLEENSVDAVKVRSVVSCDTDFGVCAHCYGRDLARGHIINKGE
AIGVIAAQSIGEPGTQLTMAAAESSIQVKNKGSIKLSNVKSVVNSSGKLV
ITSRNTELKLIDEFGRTKESYKVPYGAVLAKGDGEQVAGGETVANWDPHT
MPVITEVSGFVRFTDMIDGQTITRQTDELTGLSSLVVLDSAERTAGGKDL
RPALKIVDAQGNDVLIPGTDMPAQYFLPGKAIVQLEDGVQISSGDTLARI
PQESGGTKDITGGLPRVADLFEARRPKEPAILAEISGIVSFGKETKGKRR
LVITPVDGSDPYEEMIPKWRQLNVFEGERVERGDVISDGPEAPHDILRLR
GVHAVTRYIVNEVQDVYRLQGVKINDKHIEVIVRQMLRKATIVNAGSSDF
LEGEQVEYSRVKIANRELEANGKVGATYSRDLLGITKASLATESFISAAS
FQETTRVLTEAAVAGKRDELRGLKENVIVGRLIPAGTGYAYHQDRMRRRA
AG
3D structure
PDB6ca0 Cryo-EM structure ofEscherichia colisigma70RNA polymerase and promoter DNA complex revealed a role of sigma non-conserved region during the open complex formation.
ChainD
Resolution5.75 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 D R311 K332 K334 Q335 E1327 R298 K319 K321 Q322 E1303
BS02 MG D D460 D462 D464 D447 D449 D451
BS03 ZN D C70 L71 C72 C57 L58 C59
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003677 DNA binding
GO:0003899 DNA-directed 5'-3' RNA polymerase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0016779 nucleotidyltransferase activity
GO:0034062 5'-3' RNA polymerase activity
GO:0046872 metal ion binding
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:6ca0, PDBe:6ca0, PDBj:6ca0
PDBsum6ca0
PubMed29581236
UniProtP0A8T7|RPOC_ECOLI DNA-directed RNA polymerase subunit beta' (Gene Name=rpoC)

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