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4CDG

Crystal structure of the Bloom's syndrome helicase BLM in complex with Nanobody

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003676molecular_functionnucleic acid binding
A0004386molecular_functionhelicase activity
A0005524molecular_functionATP binding
A0006260biological_processDNA replication
A0006281biological_processDNA repair
A0006310biological_processDNA recombination
A0043138molecular_function3'-5' DNA helicase activity
B0000166molecular_functionnucleotide binding
B0003676molecular_functionnucleic acid binding
B0004386molecular_functionhelicase activity
B0005524molecular_functionATP binding
B0006260biological_processDNA replication
B0006281biological_processDNA repair
B0006310biological_processDNA recombination
B0043138molecular_function3'-5' DNA helicase activity
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE ADP A 1634
ChainResidue
ALEU665
AARG982
AASN1242
AASN667
AARG669
AGLN672
AGLY692
AGLY693
AGLY694
ALYS695
ASER696

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 1643
ChainResidue
ACYS1036
ACYS1055
ACYS1063
ACYS1066

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE ADP B 1634
ChainResidue
BLEU665
BASN667
BARG669
BGLN672
BPRO690
BGLY692
BGLY693
BGLY694
BLYS695
BSER696
BARG982
BASN1242

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 1643
ChainResidue
BCYS1036
BCYS1055
BCYS1063
BCYS1066

Functional Information from PROSITE/UniProt
site_idPS00690
Number of Residues10
DetailsDEAH_ATP_HELICASE DEAH-box subfamily ATP-dependent helicases signature. ArFVIDEAHC
ChainResidueDetails
AALA790-CYS799

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues350
DetailsDomain: {"description":"Helicase ATP-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00541","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"24816114","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsRegion: {"description":"3' overhang DNA-binding","evidences":[{"source":"PubMed","id":"25901030","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues28
DetailsRegion: {"description":"3' overhang DNA-binding","evidences":[{"source":"PubMed","id":"24816114","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25901030","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4CGZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4O3M","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues34
DetailsRegion: {"description":"Necessary for ssDNA and DNA Holliday junction binding","evidences":[{"source":"PubMed","id":"20639533","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues6
DetailsMotif: {"description":"DEAH box"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24816114","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25901030","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4CDG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4CGZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4O3M","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25901030","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4CDG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4CGZ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsSite: {"description":"3' overhang DNA-binding","evidences":[{"source":"PubMed","id":"25901030","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsSite: {"description":"3' overhang DNA-binding; via amide nitrogen","evidences":[{"source":"PubMed","id":"24816114","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25901030","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4CGZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4O3M","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues6
DetailsSite: {"description":"3' overhang DNA-binding","evidences":[{"source":"PubMed","id":"24816114","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25901030","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4CGZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4O3M","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues7
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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