Structure of PDB 5rmk Chain A Binding Site BS04

Receptor Information
>5rmk Chain A (length=572) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AVGACVLCNSQTSLRCGACIRRPFLCCKCCYDHVISTSHKLVLSVNPYVC
NAPGCDVTDVTQLYLGGMSYYCKSHKPPISFPLCANGQVFGLYKVTDFNA
IATCDWTNAGDYILANTCTERLKLFAAETLKATEETFKLSYGIATVREVL
SDRELHLSWEVGKPRPPLNRNYVFTGYQIGEYTFEKDAVVYRGTTTYKLN
VGDYFVLTSHTVMPLSAPTLVPQEHYVRITGLYPTLNISDEFSSNVANYQ
KVGMQKYSTLQGPPGTGKSHFAIGLALYYPSARIVYTACSHAAVDALCEK
ALKYLPIDKCSRIIPARARVECFDKFKVNSTLEQYVFCTVNALPETTADI
VVFDEISMATNYDLSVVNARLRAKHYVYIGDPAQLPAPRTLLTKGTLEPE
YFNSVCRLMKTIGPDMFLGTCRRCPAEIVDTVSALVYDNKLKAHKDKSAQ
CFKMFYKGVITHDVSSAINRPQIGVVREFLTRNPAWRKAVFISPYNSQNA
VASKILGLPTQTVDSSQGSEYDYVIFTQTTETAHSCNVNRFNVAITRAKV
GILCIMSDRDLYDKLQFTSLEI
Ligand information
Ligand IDPO4
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-K
SMILES
SoftwareSMILES
CACTVS 3.341[O-][P]([O-])([O-])=O
ACDLabs 10.04[O-]P([O-])([O-])=O
OpenEye OEToolkits 1.5.0[O-]P(=O)([O-])[O-]
FormulaO4 P
NamePHOSPHATE ION
ChEMBL
DrugBankDB14523
ZINC
PDB chain5rmk Chain A Residue 705 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB5rmk Structure, mechanism and crystallographic fragment screening of the SARS-CoV-2 NSP13 helicase.
Resolution2.08 Å
Binding residue
(original residue number in PDB)		P284 K288 Q404 R443 G538 R567
Binding residue
(residue number reindexed from 1)		P264 K268 Q384 R423 G518 R547
Annotation score1
Enzymatic activity
Enzyme Commision number 2.1.1.56: mRNA (guanine-N(7))-methyltransferase.
2.1.1.57: methyltransferase cap1.
2.7.7.48: RNA-directed RNA polymerase.
2.7.7.50: mRNA guanylyltransferase.
3.1.13.-
3.4.19.12: ubiquitinyl hydrolase 1.
3.4.22.-
3.4.22.69: SARS coronavirus main proteinase.
3.6.4.12: DNA helicase.
3.6.4.13: RNA helicase.
4.6.1.-
Gene Ontology
Molecular Function
GO:0004386 helicase activity
GO:0005524 ATP binding
GO:0008270 zinc ion binding

View graph for
Molecular Function
External links
PDB RCSB:5rmk, PDBe:5rmk, PDBj:5rmk
PDBsum5rmk
PubMed34381037
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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