Structure of PDB 6lts Chain D

Receptor sequence

>6ltsD (length=1486) Species: 300852 (Thermus thermophilus HB8)

KEVRKVRIALASPEKIRSWSYGEVEKPETINYRTLKPERDGLFDERIFGP
IKDYECACGKYKRQRFEGKVCERCGVEVTKSIVRRYRMGHIELATPAAHI
WFVKDVPSKIGTLLDLSATELEQVLYFSKYIVLDPKGAILNGVPVEKRQL
LTDEEYRELRYGKQETYPLPPGVDALVKDGEEVVKGQELAPGVVSRLDGV
ALYRFPRRVRVEYVKKERAGLRLPLAAWVEKEAYKPGEILAELPEPYLFR
AEEEGVVELKELEEGAFLVLRREDEPVATYFLPVGMTPLVVHGEIVEKGQ
PLAEAKGLLRMPRQVRAAQVEAEEEGETVYLTLFLEWTEPKDYRVQPHMN
VVVPEGARVEAGDKIVAAIDPEEEVIAEAEGVVHLHEPASILVVKARVYP
FEDDVEVSTGDRVAPGDVLADGGKVKSDVYGRVEVDLVRNVVRVVESYDI
DARMGAEAIQQLLKELDLEALEKELLEEMKHPSRARRAKARKRLEVVRAF
LDSGNRPEWMILEAVPVLPPDLRPMVQVDGGRFATSDLNDLYRRLINRNN
RLKKLLAQGAPEIIIRNEKRMLQEAVDALLDNGRRGAPVTNPGSDRPLRS
LTDILSGKQGRFRQNLLGKRVDYSGRSVIVVGPQLKLHQCGLPKRMALEL
FKPFLLKKMEEKGIAPNVKAARRMLERQRDIKDEVWDALEEVIHGKVVLL
NRAPTLHRLGIQAFQPVLVEGQSIQLHPLVCEAFNADFDGDQMAVHVPLS
SFAQAEARIQMLSAHNLLSPASGEPLAKPSRDIILGLYYITQVRKEKKGA
GLEFATPEEALAAHERGEVALNAPIKVAGRETSVGRLKYVFANPDEALLA
VAHGIVDLQDVVTVRYMGKRLETSPGRILFARIVAEAVEDEKVAWELIQL
DVPQEKNSLKDLVYQAFLRLGMEKTARLLDALKYYGFTFSTTSGITIGID
DAVIPEEKKQYLEEADRKLLQIEQAYEMGFLTDRERYDQILQLWTETTEK
VTQAVFKNFEENYPFNPLYVMAQSGARGNPQQIRQLCGLRGLMQKPSGET
FEVPVRSSFREGLTVLEYFISSHGARKGGADTALRTADSGYLTRKLVDVT
HEIVVREADCGTTNYISVPLFQPDEVTRSLRLRKRADIEAGLYGRVLARE
VEVLGVRLEEGRYLSMDDVHLLIKAAEAGEIQEVPVRSPLTCQTRYGVCQ
KCYGYDLSMARPVSIGEAVGIVAAQSIGEPGTQLTITQGLPRVIELFEAR
RPKAKAVISEIDGVVRIEETEEKLSVFVESEGFSKEYKLPKEARLLVKDG
DYVEAGQPLTRGAIDPHQLLEAKGPEAVERYLVEEIQKVYRAQGVKLHDK
HIEIVVRQMMKYVEVTDPGDSRLLEGQVLEKWDVEALNERLIAEGKTPVA
WKPLLMGVTKSALSTKSWLSAASFQNTTHVLTEAAIAGKKDELIGLKENV
ILGRLIPAGTGSDFVRFTQVVDQKTLKAIEEARKEA

3D structure

• PDB: 6lts RNA extension drives a stepwise displacement of an initiation-factor structural module in initial transcription.
• Chain: D
• Resolution: 3.45 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	K494 R1266	K492 R1250
BS02	dna	D	R586 K610 R615 Q1441	R584 K608 R613 Q1425
BS03	ZN	D	C1194 C1204	C1192 C1202
BS04	ZN	D	C58 C73 C76	C56 C71 C74
BS05	MG	D	D739 D741 D743	D737 D739 D741
BS06	MG	D	W897 E898	W895 E896

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

Cellular Component

• GO:0000428 DNA-directed RNA polymerase complex

External links

• PDB: RCSB:6lts, PDBe:6lts, PDBj:6lts
• PDBsum: 6lts
• PubMed: 32127479
• UniProt: Q8RQE8|RPOC_THET8 DNA-directed RNA polymerase subunit beta' (Gene Name=rpoC)