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6L5N

Crystal structure of human DEAD-box RNA helicase DDX21 at post-unwound state

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 Residues29
Detailsbinding site for residue ANP A 601
ChainResidue
AGLY205
ALYS236
ATHR237
AGLU340
AGLY500
AASP502
AARG527
AARG530
AALA531
AMG602
AHOH716
AVAL206
AHOH718
AHOH723
AHOH730
AHOH741
AHOH743
AHOH747
AHOH753
AHOH759
AHOH760
AHOH773
APHE208
APHE210
AGLN213
ATHR232
AGLY233
ATHR234
AGLY235

site_idAC2
Number of Residues6
Detailsbinding site for residue MG A 602
ChainResidue
AGLU340
AANP601
AHOH716
AHOH718
AHOH723
AHOH743

site_idAC3
Number of Residues31
Detailsbinding site for residue ANP B 601
ChainResidue
BARG204
BGLY205
BVAL206
BPHE208
BPHE210
BGLN213
BTHR232
BGLY233
BTHR234
BGLY235
BLYS236
BTHR237
BPHE238
BGLU340
BGLY500
BASP502
BARG527
BARG530
BALA531
BMG603
BHOH713
BHOH716
BHOH717
BHOH724
BHOH726
BHOH731
BHOH735
BHOH739
BHOH744
BHOH750
BHOH751

site_idAC4
Number of Residues12
Detailsbinding site for residue ANP B 602
ChainResidue
ALYS474
AGLN475
AILE478
BASP346
BMSE347
BHIS380
BTRP381
BLYS555
BMG604
BHOH704
BHOH738
BHOH742

site_idAC5
Number of Residues6
Detailsbinding site for residue MG B 603
ChainResidue
BASP339
BANP601
BHOH713
BHOH717
BHOH726
BHOH739

site_idAC6
Number of Residues4
Detailsbinding site for residue MG B 604
ChainResidue
BANP602
BHOH704
BHOH742
BHOH753

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsMotif: {"description":"DEAD box","evidences":[{"source":"PROSITE-ProRule","id":"PRU00541","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00541","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

245663

PDB entries from 2025-12-03

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