Structure of PDB 8qxn Chain B Binding Site BS05

Receptor Information
>8qxn Chain B (length=458) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TMKVINDPIHGHIELHPLLVRIIDTPQFQRLRYIKQLGGGYYVFPGASHN
RFEHSLGVGYLAGCLVHALGEKQPELQISERDVLCVQIAGLCHDLGHGPF
SHMFDGRFIPLARPEVKWTHEQGSVMMFEHLINSNGIKPVMEQYGLIPEE
DICFIKEQIVGPLLWPYKGRPENKSFLYEIVSNKRNGIDVDKWDYFARDC
HHLGIQNNFDYKRFIKFARVCEVDNELRICARDKEVGNLYDMFHTRNSLH
RRAYQHKVGNIIDTMITDAFLKADDYIEITGAGGKKYRISTAIDDMEAYT
KLTDNIFLEILYSTDPKLKDAREILKQIEYRNLFKYVGETQPTGQIKIKR
EDYESLPKEVASAKPKVLLDVKLKAEDFIVDVINMDYGMQEKNPIDHVSF
YCKTAPNRAIRITKNQVSQLLPEKFAEQLIRVYCKKVDRKSLYAARQYFV
QWCADRNF
Ligand information
Ligand IDDTP
InChIInChI=1S/C10H16N5O12P3/c11-9-8-10(13-3-12-9)15(4-14-8)7-1-5(16)6(25-7)2-24-29(20,21)27-30(22,23)26-28(17,18)19/h3-7,16H,1-2H2,(H,20,21)(H,22,23)(H2,11,12,13)(H2,17,18,19)/t5-,6+,7+/m0/s1
InChIKeySUYVUBYJARFZHO-RRKCRQDMSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3C[C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OP(=O)(O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3C[CH](O)[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)O3
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3CC(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[C@H]3C[C@H](O)[C@@H](CO[P@@](O)(=O)O[P@](O)(=O)O[P](O)(O)=O)O3
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)CC3O
FormulaC10 H16 N5 O12 P3
Name2'-DEOXYADENOSINE 5'-TRIPHOSPHATE
ChEMBLCHEMBL335538
DrugBankDB03222
ZINCZINC000008215662
PDB chain8qxn Chain B Residue 706 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB8qxn Platform-directed allostery and quaternary structure dynamics of SAMHD1 catalysis.
Resolution2.98 Å
Binding residue
(original residue number in PDB)		R333 K354
Binding residue
(residue number reindexed from 1)		R213 K234
Annotation score1
Enzymatic activity
Enzyme Commision number 3.1.5.-
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0003697 single-stranded DNA binding
GO:0003723 RNA binding
GO:0004540 RNA nuclease activity
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0008270 zinc ion binding
GO:0008832 dGTPase activity
GO:0016787 hydrolase activity
GO:0016793 triphosphoric monoester hydrolase activity
GO:0032567 dGTP binding
GO:0042802 identical protein binding
GO:0046872 metal ion binding
GO:0106375 deoxynucleoside triphosphate hydrolase activity
Biological Process
GO:0000724 double-strand break repair via homologous recombination
GO:0006203 dGTP catabolic process
GO:0006260 DNA replication
GO:0006281 DNA repair
GO:0006955 immune response
GO:0006974 DNA damage response
GO:0009264 deoxyribonucleotide catabolic process
GO:0016446 somatic hypermutation of immunoglobulin genes
GO:0045087 innate immune response
GO:0045088 regulation of innate immune response
GO:0046061 dATP catabolic process
GO:0051289 protein homotetramerization
GO:0051607 defense response to virus
GO:0060339 negative regulation of type I interferon-mediated signaling pathway
GO:0110025 DNA strand resection involved in replication fork processing
Cellular Component
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005694 chromosome
GO:0005886 plasma membrane
GO:0035861 site of double-strand break
GO:0097197 tetraspanin-enriched microdomain

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8qxn, PDBe:8qxn, PDBj:8qxn
PDBsum8qxn
PubMed38710701
UniProtQ9Y3Z3|SAMH1_HUMAN Deoxynucleoside triphosphate triphosphohydrolase SAMHD1 (Gene Name=SAMHD1)

[Back to BioLiP]