Structure of PDB 6l5n Chain B Binding Site BS02

Receptor Information
>6l5n Chain B (length=377) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SFSNFPISEETIKLLKGRGVTFLFPIQAKTFHHVYSGKDLIAQARTGTGK
TFSFAIPLIEKLHGELQDRKRGRAPQVLVLAPTRELANQVSKDFSDITKK
LSVACFYGGTPYGGQFERMRNGIDILVGTPGRIKDHIQNGKLDLTKLKHV
VLDEVDQMLDMGFADQVEEILSVAYKKDSEDNPQTLLFSATCPHWVFNVA
KKYMKSTYEQVDLIGKKTQKTAITVEHLAIKCHWTQRAAVIGDVIRVYSG
HQGRTIIFCETKKEAQELSQNSAIKQDAQSLHGDIPQKQREITLKGFRNG
SFGVLVATNVAARGLDIPEVDLVIQSSPPKDVESYIHRSGRTGRAGRTGV
CICFYQHKEEYQLVQVEQKAGIKFKRI
Ligand information
Ligand IDANP
InChIInChI=1S/C10H17N6O12P3/c11-8-5-9(13-2-12-8)16(3-14-5)10-7(18)6(17)4(27-10)1-26-31(24,25)28-30(22,23)15-29(19,20)21/h2-4,6-7,10,17-18H,1H2,(H,24,25)(H2,11,12,13)(H4,15,19,20,21,22,23)/t4-,6-,7-,10-/m1/s1
InChIKeyPVKSNHVPLWYQGJ-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(NP(=O)(O)O)O)O)O)N
CACTVS 3.370Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)N[P](O)(O)=O)[CH](O)[CH]3O
CACTVS 3.370Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P](O)(=O)O[P](O)(=O)N[P](O)(O)=O)[C@@H](O)[C@H]3O
ACDLabs 12.01O=P(O)(O)NP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.7.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(NP(=O)(O)O)O)O)O)N
FormulaC10 H17 N6 O12 P3
NamePHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
ChEMBLCHEMBL1230989
DrugBank
ZINCZINC000008660410
PDB chain6l5n Chain B Residue 601 [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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PDB6l5n Structural Basis of Human Helicase DDX21 in RNA Binding, Unwinding, and Antiviral Signal Activation.
Resolution2.242 Å
Binding residue
(original residue number in PDB)
V206 F208 F210 Q213 T232 G233 G235 K236 T237 F238 D502 R527 R530
Binding residue
(residue number reindexed from 1)
V20 F22 F24 Q27 T46 G47 G49 K50 T51 F52 D316 R341 R344
Annotation score3
Enzymatic activity
Enzyme Commision number 3.6.4.13: RNA helicase.
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0003724 RNA helicase activity
GO:0005524 ATP binding

View graph for
Molecular Function
External links
PDB RCSB:6l5n, PDBe:6l5n, PDBj:6l5n
PDBsum6l5n
PubMed32714761
UniProtQ9NR30|DDX21_HUMAN Nucleolar RNA helicase 2 (Gene Name=DDX21)

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