Structure of PDB 2a68 Chain C Binding Site BS03

Receptor Information
>2a68 Chain C (length=1119) Species: 274 (Thermus thermophilus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MEIKRFGRIREVIPLPPLTEIQVESYRRALQADVPPEKRENVGIQAAFRE
TFPIEEEDKGKGGLVLDFLEYRLGEPPFPQDECREKDLTYQAPLYARLQL
IHKDTGLIKEDEVFLGHIPLMTEDGSFIINGADRVIVSQIHRSPGVYFTP
DPARPGRYIASIIPLPKRGPWIDLEVEPNGVVSMKVNKRKFPLVLLLRVL
GYDQETLARELGAYGELVQGLMDESVFAMRPEEALIRLFTLLRPGDPPKR
DKAVAYVYGLIADPRRYDLGEAGRYKAEEKLGIRLSGRTLARFEDGEFKD
EVFLPTLRYLFALTAGVPGHEVDDIDHLGNRRIRTVGELMTDQFRVGLAR
LARGVRERMLMGSEDSLTPAKLVNSRPLEAAIREFFSRSQLSQFKDETNP
LSSLRHKRRISALGPGGLTRERAGFDVRDVHRTHYGRICPVETPEGANIG
LITSLAAYARVDELGFIRTPYRRVVGGVVTDEVVYMTATEEDRYTIAQAN
TPLEGNRIAAERVVARRKGEPVIVSPEEVEFMDVSPKQVFSVNTNLIPFL
EHDDANRALMGSNMQTQAVPLIRAQAPVVMTGLEERVVRDSLAALYAEED
GEVAKVDGNRIVVRYEDGRLVEYPLRRFYRSNQGTALDQRPRVVVGQRVR
KGDLLADGPASENGFLALGQNVLVAIMPFDGYNFEDAIVISEELLKRDFY
TSIHIERYEIEARDTKLGPERITRDIPHLSEAALRDLDEEGVVRIGAEVK
PGDILVGRTSFKGESEPTPEERLLRSIFGEKARDVKDTSLRVPPGEGGIV
VRTVRLRRGDPGVELKPGVREVVRVYVAQKRKLQVGDKLANRHGNKGVVA
KILPVEDMPHLPDGTPVDVILNPLGVPSRMNLGQILETHLGLAGYFLGQR
YISPIFDGAKEPEIKELLAQAFEVYFGKRKGEGFGVDKREVEVLRRAEKL
GLVTPGKTPEEQLKELFLQGKVVLYDGRTGEPIEGPIVVGQMFIMKLYHM
VEDKMHARSTGPYSLITQQPLGGKAQFGGQRFGEMEVWALEAYGAAHTLQ
EMLTLKSDDIEGRNAAYEAIIKGEDVPEPSVPESFRVLVKELQALALDVQ
TLDEKDNPVDIFEGLASKR
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 chain2a68 Chain C Residue 9005 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2a68 Allosteric modulation of the RNA polymerase catalytic reaction is an essential component of transcription control by rifamycins.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		E491 D492
Binding residue
(residue number reindexed from 1)		E491 D492
Annotation score1
Enzymatic activity
Enzyme Commision number 2.7.7.6: DNA-directed RNA polymerase.
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003899 DNA-directed 5'-3' RNA polymerase activity
GO:0016779 nucleotidyltransferase activity
GO:0032549 ribonucleoside binding
GO:0034062 5'-3' RNA polymerase activity
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:2a68, PDBe:2a68, PDBj:2a68
PDBsum2a68
PubMed16096056
UniProtQ8RQE9|RPOB_THET8 DNA-directed RNA polymerase subunit beta (Gene Name=rpoB)

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