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5UM9

Flap endonuclease 1 (FEN1) D86N with 5'-flap substrate DNA and Sm3+

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003824molecular_functioncatalytic activity
A0004518molecular_functionnuclease activity
A0016788molecular_functionhydrolase activity, acting on ester bonds
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue K A 401
ChainResidue
ASER237
AILE238
AILE241
DDT5

site_idAC2
Number of Residues6
Detailsbinding site for residue SM A 402
ChainResidue
EDT7
AGLU160
AASP179
AASP181
AHOH502
AHOH506

site_idAC3
Number of Residues4
Detailsbinding site for residue SM A 403
ChainResidue
AGLU57
AGLU285
AGLU313
AGLN342

site_idAC4
Number of Residues4
Detailsbinding site for residue SM A 404
ChainResidue
AGLU57
AGLU59
AGLU313
AGLN342

site_idAC5
Number of Residues3
Detailsbinding site for residue SM A 405
ChainResidue
AHOH508
AHOH517
DHOH107

site_idAC6
Number of Residues4
Detailsbinding site for residue SM A 406
ChainResidue
AGLU338
AHOH501
AHOH507
AHOH518

Functional Information from PROSITE/UniProt
site_idPS00842
Number of Residues15
DetailsXPG_2 XPG protein signature 2. GIPYLdAPsEAEASC
ChainResidueDetails
AGLY149-CYS163

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues131
DetailsRegion: {"description":"I-domain"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15616578","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1UL1","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15616578","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1UL1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5FV7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15616578","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1UL1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5FV7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"5FV7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"5ZOD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsModified residue: {"description":"Symmetric dimethylarginine; by PRMT5","evidences":[{"source":"HAMAP-Rule","id":"MF_03140","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"20729856","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by CDK2","evidences":[{"source":"HAMAP-Rule","id":"MF_03140","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"20729856","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues3
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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