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3W5O

Crystal Structure of Human DNA ligase IV

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003909molecular_functionDNA ligase activity
A0003910molecular_functionDNA ligase (ATP) activity
A0005524molecular_functionATP binding
A0006281biological_processDNA repair
A0006310biological_processDNA recombination
A0071897biological_processDNA biosynthetic process
B0003677molecular_functionDNA binding
B0003909molecular_functionDNA ligase activity
B0003910molecular_functionDNA ligase (ATP) activity
B0005524molecular_functionATP binding
B0006281biological_processDNA repair
B0006310biological_processDNA recombination
B0071897biological_processDNA biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE ATP A 701
ChainResidue
AGLU271
AMET430
ALYS432
ATRP447
ALYS449
ALYS451
AHOH817
ATHR272
ALYS273
ALEU274
AASP275
AARG278
AGLU331
APHE367
AGLU427

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 702
ChainResidue
AILE415
AASN419
AARG577

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 703
ChainResidue
APRO528
AHIS530

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 704
ChainResidue
AGLY276
AARG278
AARG293

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 705
ChainResidue
ASER292
AASN294
ATYR296
ATYR298

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 706
ChainResidue
ATYR298
AGLN301

site_idAC7
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 A 707
ChainResidue
AARG32

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 708
ChainResidue
ATHR381
AARG383

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 709
ChainResidue
ATHR341
AGLY474
ASER475
AMET479
AMET480
ACYS510

site_idBC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 A 710
ChainResidue
ALYS544

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 711
ChainResidue
AARG32
AGLY197
AVAL198
ASER199
ATHR202

site_idBC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 712
ChainResidue
ATRP590
AHIS591

site_idBC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 713
ChainResidue
APHE529
AHIS530
AARG531
ALYS532

site_idBC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 714
ChainResidue
ALYS162
ALYS164
AASP165

site_idBC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE ATP B 701
ChainResidue
BGLU271
BTHR272
BLYS273
BLEU274
BASP275
BARG278
BGLU331
BLYS345
BPHE367
BGLU427
BMET430
BLYS432
BTRP447
BLYS449
BLYS451
BHOH810

site_idBC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 B 702
ChainResidue
BPRO528
BHIS530

site_idBC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 703
ChainResidue
BSER292
BARG293
BASN294
BTYR298

site_idBC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 704
ChainResidue
BASN297
BTYR298
BASP300
BGLN301

site_idCC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 B 705
ChainResidue
BARG163

site_idCC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 B 706
ChainResidue
BASP165

site_idCC3
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 B 707
ChainResidue
BGLN200

site_idCC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 708
ChainResidue
BHIS530
BARG531
BLYS532

site_idCC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 709
ChainResidue
BLYS162
BLYS164
BASP165

site_idCC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 710
ChainResidue
BGLY276
BGLU277
BARG278

site_idCC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 B 711
ChainResidue
BARG226
BGLN227

site_idCC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 B 712
ChainResidue
BSER536

Functional Information from PROSITE/UniProt
site_idPS00333
Number of Residues25
DetailsDNA_LIGASE_A2 ATP-dependent DNA ligase signature 2. EGIMVKqplsi...YKpdk...RgegwlKIK
ChainResidueDetails
AGLU427-LYS451

site_idPS00697
Number of Residues9
DetailsDNA_LIGASE_A1 ATP-dependent DNA ligase AMP-binding site. ETKLDGERM
ChainResidueDetails
AGLU271-MET279

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"N6-AMP-lysine intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU10135","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"23523427","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"29980672","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3W1B","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P18858","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"23523427","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3W1G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3W5O","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"23523427","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3W5O","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

246905

PDB entries from 2025-12-31

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