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3B7G

Human DEAD-box RNA helicase DDX20, Conserved domain I (DEAD) in complex with AMPPNP (Adenosine-(Beta,gamma)-imidotriphosphate)

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0003724molecular_functionRNA helicase activity
A0005524molecular_functionATP binding
B0003676molecular_functionnucleic acid binding
B0003724molecular_functionRNA helicase activity
B0005524molecular_functionATP binding
Functional Information from PDB Data
site_idAC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE ANP A 300
ChainResidue
AGLY81
ATHR113
ACYS114
AHOH385
AHOH399
AHOH408
AHOH467
APHE82
AARG84
AGLN89
ASER108
AGLY109
ATHR110
AGLY111
ALYS112

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE ANP B 300
ChainResidue
BGLY81
BPHE82
BARG84
BGLN89
BSER108
BGLY109
BTHR110
BGLY111
BLYS112
BTHR113
BCYS114
BHOH352
BHOH414
BHOH420

Functional Information from PROSITE/UniProt
site_idPS00039
Number of Residues9
DetailsDEAD_ATP_HELICASE DEAD-box subfamily ATP-dependent helicases signature. ILDEADKlL
ChainResidueDetails
AILE209-LEU217

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues342
DetailsDomain: {"description":"Helicase ATP-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00541","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues56
DetailsMotif: {"description":"Q motif"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsMotif: {"description":"DEAD box"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues14
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18691976","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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