Structure of PDB 7u22 Chain C

Receptor sequence

>7u22C (length=1126) Species: 1773 (Mycobacterium tuberculosis)

SNNSVPGAPNRVSFAKLREPLEVPGLLDVQTDSFEWLIGSPRWRESAAER
GDVNPVGGLEEVLYELSPIEDFSGSMSLSFSDPRFDDVKAPVDECKDKDM
TYAAPLFVTAEFINNNTGEIKSQTVFMGDFPMMTEKGTFIINGTERVVVS
QLVRSPGVYFDETIDKSTDKTLHSVKVIPSRGAWLEFDVDKRDTVGVRID
RKRRQPVTVLLKALGWTSEQIVERFGFSEIMRSTLEKDNTVGTDEALLDI
YRKLRPGEPPTKESAQTLLENLFFKEKRYDLARVGRYKVNKKLGLHVGEP
ITSSTLTEEDVVATIEYLVRLHEGQTTMTVPGGVEVPVETDDIDHFGNRR
LRTVGELIQNQIRVGMSRMERVVRERMTTQDVEAITPQTLINIRPVVAAI
KEFFGTSQLSQFMDQNNPLSGLTHKRRLSALGPGGLSRERAGLEVRDVHP
SHYGRMCPIETPEGPNIGLIGSLSVYARVNPFGFIETPYRKVVDGVVSDE
IVYLTADEEDRHVVAQANSPIDADGRFVEPRVLVRRKAGEVEYVPSSEVD
YMDVSPRQMVSVATAMIPFLEHDDANRALMGANMQRQAVPLVRSEAPLVG
TGMELRAAIDAGDVVVAEESGVIEEVSADYITVMHDNGTRRTYRMRKFAR
SNHGTCANQCPIVDAGDRVEAGQVIADGPCTDDGEMALGKNLLVAIMPWE
GHNYEDAIILSNRLVEEDVLTSIHIEEHEIDARDTKLGAEEITRDIPNIS
DEVLADLDERGIVRIGAEVRDGDILVGKVTPKGETELTPEERLLRAIFGE
KAREVRDTSLKVPHGESGKVIGIRVFSREDEDELPAGVNELVRVYVAQKR
KISDGDKLAGRHGNKGVIGKILPVEDMPFLADGTPVDIILNTHGVPRRMN
IGQILETHLGWCAHSGWKVDAAKGVPDWAARLPDELLEAQPNAIVSTPVF
DGAQEAELQGLLSCTLPNRDGDVLVDADGKAMLFDGRSGEPFPYPVTVGY
MYIMKLHHLVDDKIHARSTGPYSMITQQPLGGKAQFGGQRFGEMECWAMQ
AYGAAYTLQELLTIKSDDTVGRVKVYEAIVKGENIPEPGIPESFKVLLKE
LQSLCLNVEVLSSDGAAIELREGEDE

3D structure

• PDB: 7u22 Redesign of Rifamycin Antibiotics to Overcome ADP-Ribosylation-Mediated Resistance.
• Chain: C
• Resolution: 3.87 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	C	G209 A210 W211 D227 R282 P286 R305 D371 R376 E466 R467 E471 V472	G182 A183 W184 D200 R255 P259 R278 D344 R349 E439 R440 E444 V445
BS02	KYO	C	Q435 Q438 F439 D441 H451 R454 S456 L458 R465 P489 N493 I497 R613	Q408 Q411 F412 D414 H424 R427 S429 L431 R438 P462 N466 I470 R586

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:0046677 response to antibiotic

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:7u22, PDBe:7u22, PDBj:7u22
• PDBsum: 7u22
• PubMed: 36222275
• UniProt: P9WGY9|RPOB_MYCTU DNA-directed RNA polymerase subunit beta (Gene Name=rpoB)