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3P34

Polo-like kinase I Polo-box domain in complex with MQSpTPL phosphopeptide

Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 595
ChainResidue
AHOH41
AHOH61
AHOH268
AHOH288
AHOH290
AARG392
AGLY393
ALEU394
ALYS474

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 596
ChainResidue
AHOH121
AHOH307
AARG396
ATYR570

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 597
ChainResidue
APRO469
AASN470
ASER471
AHOH604

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues78
DetailsDomain: {"description":"POLO box 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00154","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues82
DetailsDomain: {"description":"POLO box 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00154","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues14
DetailsRegion: {"description":"Linker"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsRegion: {"description":"Important for interaction with phosphorylated proteins","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

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

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"18691976","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"23455478","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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