Structure of PDB 4gzy Chain D

Receptor sequence

>4gzyD (length=1358) Species: 300852 (Thermus thermophilus HB8)

KKEVRKVRIALASPEKIRSWSYGEVEKPETINYRTLKPERDGLFDERIFG
PIKDYECACGKYKRQRFEGKVCERCGVEVTKSIVRRYRMGHIELATPAAH
IWFVKDVPSKIGTLLDLSATELEQVLYFSKYIVLDPKGAILNGVPVEKRQ
LLTDEEYRELRYGKQETYPLPPGVDALVKDGEEVVKGQELAPGVVSRLDG
VALYRFPRRVRVEYVTEPKDYRVQPHMNVVVPEGARVEAGDKIVAAIDPE
EEVIAEAEGVVHLHEPASILVVKARVYPFEDDVEVSTGDRVAPGDVLADG
GKVKSDVYGRVEVDLVRNVVRVVESYDIDARMGAEAIQQLLKELDLEALE
KELLEEMKHPSRARRAKARKRLEVVRAFLDSGNRPEWMILEAVPVLPPDL
RPMVQVDGGRFATSDLNDLYRRLINRNNRLKKLLAQGAPEIIIRNEKRML
QEAVDALLDNGRRGAPVTNPGSDRPLRSLTDILSGKQGRFRQNLLGKRVD
YSGRSVIVVGPQLKLHQCGLPKRMALELFKPFLLKKMEEKGIAPNVKAAR
RMLERQRDIKDEVWDALEEVIHGKVVLLNRAPTLHRLGIQAFQPVLVEGQ
SIQLHPLVCEAFNADFDGDQMAVHVPLSSFAQAEARIQMLSAHNLLSPAS
GEPLAKPSRDIILGLYYITQVRKEKKGAGLEFATPEEALAAHERGEVALN
APIKVAGRETSVGRLKYVFANPDEALLAVAHGIVDLQDVVTVRYMGKRLE
TSPGRILFARIVAEAVEDEKVAWELIQLDVPQEKNSLKDLVYQAFLRLGM
EKTARLLDALKYYGFTFSTTSGITIGIDDAVIPEEKKQYLEEADRKLLQI
EQAYEMGFLTDRERYDQILQLWTETTEKVTQAVFKNFEENYPFNPLYVMA
QSGARGNPQQIRQLCGLRGLMQKPSGETFEVPVRSSFREGLTVLEYFISS
HGARKGGADTALRTADSGYLTRKLVDVTHEIVVREADCGTTNYISVPLFQ
PDEVTRSLRLRKRADIEAGLYGRVLAREVEVLGVRLEEGRYLSMDDVHLL
IKAAEAGEIQEVPVRSPLTCQTRYGVCQKCYGYDLSMARPVSIGEAVGIV
AAQSIGEPGTQLQGLPRVIELFEARRPKAKAVISEIDGVVRIEETEEKLS
VFVESEGFSKEYKLPKEARLLVKDGDYVEAGQPLTRGAIDPHQLLEAKGP
EAVERYLVEEIQKVYRAQGVKLHDKHIEIVVRQMMKYVEVTDPGDSRLLE
GQVLEKWDVEALNERLIAEGKTPVAWKPLLMGVTKSALSTKSWLSAASFQ
NTTHVLTEAAIAGKKDELIGLKENVILGRLIPAGTGSDFVRFTQVVDQKT
LKAIEEAR

3D structure

• PDB: 4gzy Structural basis of transcriptional pausing in bacteria.
• Chain: D
• Resolution: 3.5054 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	A487 R628 A1089 D1090 S1091 Y1093	A363 R504 A965 D966 S967 Y969
BS02	ZN	D	C1112 C1194 C1201 C1204	C988 C1070 C1077 C1080
BS03	MG	D	D739 D743	D615 D619

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:4gzy, PDBe:4gzy, PDBj:4gzy
• PDBsum: 4gzy
• PubMed: 23374340
• UniProt: Q8RQE8|RPOC_THET8 DNA-directed RNA polymerase subunit beta' (Gene Name=rpoC)