Structure of PDB 1zyr Chain N Binding Site BS01

Receptor Information

>1zyr Chain N (length=1392) Species: 274 (Thermus thermophilus)

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 ID: STD
• InChI: InChI=1S/C32H44N2O9/c1-16(14-17(2)28-18(3)23-12-13-32(15-40-32)31(6,42-23)43-28)8-9-22(36)25-27(37)26(19(4)29(38)33-7)34(30(25)39)24-11-10-21(35)20(5)41-24/h8-9,12-14,17-21,23-24,26,28,35-36H,10-11,15H2,1-7H3,(H,33,38)/b9-8+,16-14+,25-22+/t17-,18+,19+,20+,21+,23-,24+,26+,28-,31-,32-/m1/s1
• InChIKey: KVTPRMVXYZKLIG-NCAOFHFGSA-N
• SMILES:
  OpenEye OEToolkits 1.5.0: CC1C2C=CC3(CO3)C(O2)(OC1C(C)C=C(C)C=CC(=C4C(=O)C(N(C4=O)C5CCC(C(O5)C)O)C(C)C(=O)NC)O)C
  OpenEye OEToolkits 1.5.0: C[C@H]1[C@H]2C=C[C@@]3(CO3)[C@](O2)(O[C@@H]1[C@H](C)\C=C(/C)\C=C\C(=C/4\C(=O)[C@@H](N(C4=O)[C@@H]5CC[C@@H]([C@@H](O5)C)O)[C@H](C)C(=O)NC)\O)C
  CACTVS 3.341: CNC(=O)[C@@H](C)[C@@H]1N([C@@H]2CC[C@H](O)[C@H](C)O2)C(=O)\C(=C(O)/C=C/C(C)=C/[C@@H](C)[C@H]3O[C@@]4(C)O[C@H](C=C[C@@]45CO5)[C@@H]3C)C1=O
  ACDLabs 10.04: O=C(NC)C(C)C2C(=O)/C(C(=O)N2C1OC(C)C(O)CC1)=C(\O)/C=C/C(=C/C(C5OC4(OC(C=CC34OC3)C5C)C)C)C
  CACTVS 3.341: CNC(=O)[CH](C)[CH]1N([CH]2CC[CH](O)[CH](C)O2)C(=O)C(=C(O)C=CC(C)=C[CH](C)[CH]3O[C]4(C)O[CH](C=C[C]45CO5)[CH]3C)C1=O
• Formula: C32 H44 N2 O9
• Name: STREPTOLYDIGIN;
  2-PYRROLIDINEACETAMIDE;
  PORTAMYCIN
• ChEMBL: CHEMBL1236068
• DrugBank: DB04785
• ZINC: ZINC000169363256
• PDB chain: 1zyr Chain M Residue 1120

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1zyr Inhibition of bacterial RNA polymerase by streptolydigin: stabilization of a straight-bridge-helix active-center conformation.
• Resolution: 3.0 Å
• Binding residue (original residue number in PDB): A1082 A1085 L1086 D1090
• Binding residue (residue number reindexed from 1): A969 A972 L973 D977
• Annotation score: 1

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

External links

• PDB: RCSB:1zyr, PDBe:1zyr, PDBj:1zyr
• PDBsum: 1zyr
• PubMed: 16122422
• UniProt: Q8RQE8|RPOC_THET8 DNA-directed RNA polymerase subunit beta' (Gene Name=rpoC)