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4LKM

Crystal structure of Plk1 Polo-box domain in complex with PL-74

Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 701
ChainResidue
ATHR517
AARG518
ASER519
ATYR582

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE 5PV B -1
ChainResidue
CLEU463
ATYR421
AARG599
CTYR445
CSER450
CTYR462

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LYT B 102
ChainResidue
ATYR417
ATYR485
B5PV-1
CTHR464

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL B 201
ChainResidue
APHE535
AHIS538
BHIS3
BSER4
BTPO5
BHOH306

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 C 701
ChainResidue
CTHR517
CARG518
CSER519
CTYR582

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL D 301
ChainResidue
AHOH814
CTRP414
CPHE535
DHIS3
DSER4
DTPO5
DHOH406

site_idAC7
Number of Residues24
DetailsBINDING SITE FOR CHAIN B OF PL-74
ChainResidue
ALYS413
ATRP414
AVAL415
AASP416
ATYR417
ATYR485
AHIS489
ALEU490
ALEU491
AARG516
AHIS538
ALYS540
AHOH843
BGOL201
BHOH306
BHOH303
BHOH305
BHOH308
BHOH304
BHOH301
CHOH809
CSER466
CHOH817
CHOH834

site_idAC8
Number of Residues24
DetailsBINDING SITE FOR CHAIN D OF PL-74
ChainResidue
AGLU399
ATYR570
AHOH893
CLYS413
CTRP414
CVAL415
CASP416
CTYR417
CTYR485
CHIS489
CLEU490
CLEU491
CARG516
CHIS538
CLYS540
CHOH848
DHOH406
DHOH402
DHOH403
DHOH404
DHOH408
DHOH410
DHOH411
DGOL301

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues156
DetailsDomain: {"description":"POLO box 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00154","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues164
DetailsDomain: {"description":"POLO box 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00154","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsRegion: {"description":"Important for interaction with phosphorylated proteins","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18691976","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"18691976","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"23455478","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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