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4PXA

DEAD-box RNA helicase DDX3X Cancer-associated mutant D354V

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0003724molecular_functionRNA helicase activity
A0005524molecular_functionATP binding
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE ADP A 601
ChainResidue
ATHR156
AGLY229
ALYS230
ATHR231
AILE158
ATYR200
AARG202
APRO203
ATHR204
AGLN207
ATHR226
AGLY227

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE PO4 A 602
ChainResidue
AGLY302
ATHR323
AGLY325
AARG326
APHE357
AGLN477
APO4604

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 A 603
ChainResidue
ALYS264
ATYR266
AASP339
ASER569
ATRP570

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 A 604
ChainResidue
AARG326
AASP329
APO4602
APO4605

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE PO4 A 605
ChainResidue
AGLY302
AGLY303
AARG326
ASER476
AGLN477
AARG478
APO4604

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 A 606
ChainResidue
ALYS217
ALYS342
AHIS377
AASP426

Functional Information from PROSITE/UniProt
site_idPS00039
Number of Residues9
DetailsDEAD_ATP_HELICASE DEAD-box subfamily ATP-dependent helicases signature. VLDEADRmL
ChainResidueDetails
AVAL345-LEU353

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues192
DetailsDomain: {"description":"Helicase ATP-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00541","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues161
DetailsDomain: {"description":"Helicase C-terminal","evidences":[{"source":"PROSITE-ProRule","id":"PRU00542","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues33
DetailsRegion: {"description":"Interaction with CHUK","evidences":[{"source":"PubMed","id":"17667941","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues9
DetailsRegion: {"description":"Involved in stimulation of ATPase activity by DNA and RNA, nucleic acid binding and unwinding and HIV-1 replication"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues28
DetailsMotif: {"description":"Q motif"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsMotif: {"description":"DEAD box"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues14
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues6
DetailsModified residue: {"description":"Phosphoserine; by TBK1; in vitro","evidences":[{"source":"PubMed","id":"18583960","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by TBK1","evidences":[{"source":"PubMed","id":"18583960","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by CSNK1E and TBK1; in vitro","evidences":[{"source":"PubMed","id":"18583960","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"29222110","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by TBK1; in vitro","evidences":[{"source":"PubMed","id":"18583960","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine; by CSNK1E; in vitro","evidences":[{"source":"PubMed","id":"29222110","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by CSNK1E; in vitro","evidences":[{"source":"PubMed","id":"29222110","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"25218447","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246333

PDB entries from 2025-12-17

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