Structure of PDB 7q0j Chain D

Receptor sequence

>7q0jD (length=1335) Species: 562 (Escherichia coli)

EFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCARIFGPV
KDYECLCGKYKRLKHRGVICEKCGVEVTQTKVRRERMGHIELASPTAHIW
FLKSLPSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQILTEEQY
LDALEEFGDEFDAKMGAEAIQALLKSMDLEQECEQLREELNETNSETKRK
KLTKRIKLLEAFVQSGNKPEWMILTVLPVLPPDLRPLVPLDGGRFATSDL
NDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQEAVDALLDNGRRGRA
ITGSNKRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPYLRLHQ
CGLPKKMALELFKPFIYGKLELRGLATTIKAAKKMVEREEAVVWDILDEV
IREHPVLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADFDGDQ
MAVHVPLTLEAQLEARALMMSTNNILSPANGEPIIVPSQDVVLGLYYMTR
DCVNAKGEGMVLTGPKEAERLYRSGLASLHARVKVRITEYEKDANGELVA
KTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKAISKMLNTCYRILGLK
PTVIFADQIMYTGFAYAARSGASVGIDDMVIPEKKHEIISEAEAEVAEIQ
EQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDGQEEK
QVSFNSIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITANFRE
GLNVLQYFISTHGARKGLADTALKTANSGYLTRRLVDVAQDLVVTEDDCG
THEGIMMTPVIEGGDVKEPLRDRVLGRVTAEDVLKPGTADILVPRNTLLH
EQWCDLLEENSVDAVKVRSVVSCDTDFGVCAHCYGRDLARGHIINKGEAI
GVIAAQSIGEPGTQLTMRSSIQVKNKGSIKLSNVKSVVNSSGKLVITSRN
TELKLIDEFGRTKESYKVPYGAVLAKGDGEQVAGGETVANWDPHTMPVIT
EVSGFVRFTDMIDGQTITRQTDELTGLSSLVVLDSAERTAGGKDLRPALK
IVDAQGNDVLIPGTDMPAQYFLPGKAIVQLEDGVQISSGDTLARIPQGGL
PRVADLFEARRPKEPAILAEISGIVSFGKETKGKRRLVITPVDGSDPYEE
MIPKWRQLNVFEGERVERGDVISDGPEAPHDILRLRGVHAVTRYIVNEVQ
DVYRLQGVKINDKHIEVIVRQMLRKATIVNAGSSDFLEGEQVEYSRVKIA
NRELEANGKVGATYSRDLLGITKASLATESFISAASFQETTRVLTEAAVA
GKRDELRGLKENVIVGRLIPAGTGYAYHQDRMRRR

3D structure

• PDB: 7q0j Transcription factors modulate RNA polymerase conformational equilibrium.
• Chain: D
• Resolution: 4.3 Å

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	L120 R1148 K1170 K1311	L105 R1110 K1132 K1273
BS02	rna	D	L255 D256 R322 D464	L240 D241 R307 D449
BS03	dna	D	S210 R259 R311 K334 R352 T790 A791 Y795 Q1326	S195 R244 R296 K319 R337 T775 A776 Y780 Q1288
BS04	ZN	D	C72 C85 K87 C88	C57 C70 K72 C73
BS05	ZN	D	C814 C888 C895	C799 C873 C880
BS06	MG	D	D460 D462 D464	D445 D447 D449

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

External links

• PDB: RCSB:7q0j, PDBe:7q0j, PDBj:7q0j
• PDBsum: 7q0j
• PubMed: 35318334
• UniProt: P0A8T7|RPOC_ECOLI DNA-directed RNA polymerase subunit beta' (Gene Name=rpoC)