Structure of PDB 1iw7 Chain D Binding Site BS18

Receptor Information
>1iw7 Chain D (length=1392) Species: 274 (Thermus thermophilus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KKEVRKVRIALASPEKIRSWSYGEVEKPETINYRTLKPERDGLFDERIFG
PIKDYECACGKYKRQRFEGKVCERCGVEVTKSIVRRYRMGHIELATPAAH
IWFVKDVPSKIGTLLDLSATELEQVLYFSKYIVLDPKGAILNGVPVEKRQ
LLTDEEYRELRYGKQETYPLPPGVDALVKDGEEVVKGQELAPGVVSRLDG
VALYRFPRRVRVEYVKKERAGLRLPLAAWVEKEAYKPGEILAELPEPYLF
GDKIVAAIDPEEEVIAEAEGVVHLHEPASILVVKARVYPFEDDVEVSTGD
RVAPGDVLADGGKVKSDVYGRVEVDLVRNVVRVVESYDIDARMGAEAIQQ
LLKELDLEALEKELLEEMKHPSRARRAKARKRLEVVRAFLDSGNRPEWMI
LEAVPVLPPDLRPMVQVDGGRFATSDLNDLYRRLINRNNRLKKLLAQGAP
EIIIRNEKRMLQEAVDALLDNGRRGAPVTNPGSDRPLRSLTDILSGKQGR
FRQNLLGKRVDYSGRSVIVVGPQLKLHQCGLPKRMALELFKPFLLKKMEE
KGIAPNVKAARRMLERQRDIKDEVWDALEEVIHGKVVLLNRAPTLHRLGI
QAFQPVLVEGQSIQLHPLVCEAFNADFDGDQMAVHVPLSSFAQAEARIQM
LSAHNLLSPASGEPLAKPSRDIILGLYYITQVRKEKKGAGLEFATPEEAL
AAHERGEVALNAPIKVAGRETSVGRLKYVFANPDEALLAVAHGIVDLQDV
VTVRYMGKRLETSPGRILFARIVAEAVEDEKVAWELIQLDVPQEKNSLKD
LVYQAFLRLGMEKTARLLDALKYYGFTFSTTSGITIGIDDAVIPEEKKQY
LEEADRKLLQIEQAYEMGFLTDRERYDQILQLWTETTEKVTQAVFKNFEE
NYPFNPLYVMAQSGARGNPQQIRQLCGLRGLMQKPSGETFEVPVRSSFRE
GLTVLEYFISSHGARKGGADTALRTADSGYLTRKLVDVTHEIVVREADCG
TTNYISVPLFQPDEVTRSLRLRKRADIEAGLYGRVLAREVEVLGVRLEEG
RYLSMDDVHLLIKAAEAGEIQEVPVRSPLTCQTRYGVCQKCYGYDLSMAR
PVSIGEAVGIVAAQSIGEPGTQLTMRTFHTGGVAGAADITQGLPRVIELF
EARRPKAKAVISEIDGVVRIEETEEKLSVFVESEGFSKEYKLPKEARLLV
KDGDYVEAGQPLTRGAIDPHQLLEAKGPEAVERYLVEEIQKVYRAQGVKL
HDKHIEIVVRQMMKYVEVTDPGDSRLLEGQVLEKWDVEALNERLIAEGKT
PVAWKPLLMGVTKSALSTKSWLSAASFQNTTHVLTEAAIAGKKDELIGLK
ENVILGRLIPAGTGSDFVRFTQVVDQKTLKAIEEARKEAVEA
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain1iw7 Chain D Residue 9109 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1iw7 Crystal structure of a bacterial RNA polymerase holoenzyme at 2.6 A resolution
Resolution2.6 Å
Binding residue
(original residue number in PDB)		D419 N442
Binding residue
(residue number reindexed from 1)		D306 N329
Annotation score1
Enzymatic activity
Enzyme Commision number 2.7.7.6: DNA-directed RNA polymerase.
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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1iw7, PDBe:1iw7, PDBj:1iw7
PDBsum1iw7
PubMed12000971
UniProtQ8RQE8|RPOC_THET8 DNA-directed RNA polymerase subunit beta' (Gene Name=rpoC)

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