Structure of PDB 7zf2 Chain D

Receptor sequence

>7zf2D (length=1264) Species: 1773 (Mycobacterium tuberculosis)

VNFFDELRIGLATAEDIRQWSYGEVKKPETINYRTLKPEKDGLFCEKIFG
PTRDWECYCGKYKRVRFKGIICERCGVEVTRAKVRRERMGHIELAAPVTH
IWYFKGVPSRLGYLLDLAPKDLEKIIYFAAYVITSVDEEMRHNELSTLEA
EMAVERKAVEDQRDGELEARAQKLEADLAELEAEGAKADARRKVRDGGER
EMRQIRDRAQRELDRLEDIWSTFTKLAPKQLIVDENLYRELVDRYGEYFT
GAMGAESIQKLIENFDIDAEAESLRDVIRNGKGQKKLRALKRLKVVAAFQ
QSGNSPMGMVLDAVPVIPPELRPMVQLDGGRFATSDLNDLYRRVINRNNR
LKRLIDLGAPEIIVNNEKRMLQESVDALFDNGRRGRPVTGPGNRPLKSLS
DLLKGKQGRFRQNLLGKRVDYSGRSVIVVGPQLKLHQCGLPKLMALELFK
PFVMKRLVDLNHAQNIKSAKRMVERQRPQVWDVLEEVIAEHPVLLNRAPT
LHRLGIQAFEPMLVEGKAIQLHPLVCEAFNADFDGDQMAVHLPLSAEAQA
EARILMLSSNNILSPASGRPLAMPRLDMVTGLYYLTTEVPGDTGEYQPAS
GDHPETGVYSSPAEAIMAADRGVLSVRAKIKVRLTQLRPPVEIEAELFGH
SGWQPGDAWMAETTLGRVMFNELLPLGYPFVNKQMHKKVQAAIINDLAER
YPMIVVAQTVDKLKDAGFYWATRSGVTVSMADVLVPPRKKEILDHYEERA
DKVEKQFQRGALNHDERNEALVEIWKEATDEVGQALREHYPDDNPIITIV
DSGATGNFTQTRTLAGMKGLVTNPKGEFIPRPVKSSFREGLTVLEYFINT
HGARKGLADTALRTADSGYLTRRLVDVSQDVIVREHDCQTERGIVVELAE
RAPDGTLIRDPYIETSAYARTLGTDAVDEAGNVIVERGQDLGDPEIDALL
AAGITQVKVRSVLTCATSTGVCATCYGRSMATGKLVDIGEAVGIVAAQSI
GEPGTQLTGGLPRVQELFEARVPRGKAPIADVTGRVRLEDGERFYKITIV
PDDGGEEVVYDKISKRQRLRVFKHEDGSERVLSDGDHVEVGQQLMEGSAD
PHEVLRVQGPREVQIHLVREVQEVYRAQGVSIHDKHIEVIVRQMLRRVTI
IDSGSTEFLPGSLIDRAEFEAENRRVVAEGGEPAAGRPVLMGITKASLAT
DSWLSAASFQETTRVLTDAAINCRSDKLNGLKENVIIGKLIPAGTGINRY
RNIAVQPTEEARAA

3D structure

• PDB: 7zf2 Structural basis of the mycobacterial stress-response RNA polymerase auto-inhibition via oligomerization
• Chain: D
• Resolution: 3.86 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	ZN	D	C891 C975 C978	C888 C972 C975
BS02	ZN	D	C60 C75	C57 C72
BS03	MG	D	D537 D539	D534 D536

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0003677 DNA binding
• GO:0003899 DNA-directed 5'-3' RNA polymerase activity
• 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

Cellular Component

• GO:0000428 DNA-directed RNA polymerase complex
• GO:0005829 cytosol
• GO:0005886 plasma membrane
• GO:0009274 peptidoglycan-based cell wall

External links

• PDB: RCSB:7zf2, PDBe:7zf2, PDBj:7zf2
• PDBsum: 7zf2
• PubMed: 36717560
• UniProt: P9WGY7|RPOC_MYCTU DNA-directed RNA polymerase subunit beta' (Gene Name=rpoC)