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2B9H

Crystal structure of Fus3 with a docking motif from Ste7

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000749biological_processresponse to pheromone triggering conjugation with cellular fusion
A0000750biological_processpheromone-dependent signal transduction involved in conjugation with cellular fusion
A0001403biological_processinvasive growth in response to glucose limitation
A0004672molecular_functionprotein kinase activity
A0004674molecular_functionprotein serine/threonine kinase activity
A0004707molecular_functionMAP kinase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0006468biological_processprotein phosphorylation
A0010494cellular_componentcytoplasmic stress granule
A0010526biological_processtransposable element silencing
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0035556biological_processintracellular signal transduction
A0042597cellular_componentperiplasmic space
A0042802molecular_functionidentical protein binding
A0043332cellular_componentmating projection tip
A0043409biological_processnegative regulation of MAPK cascade
A0046827biological_processpositive regulation of protein export from nucleus
A0051301biological_processcell division
A0071507biological_processpheromone response MAPK cascade
A0106310molecular_functionprotein serine kinase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 700
ChainResidue
AASN142
AASP155
AADP500
AHOH900
AHOH901

site_idAC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE ADP A 500
ChainResidue
AALA40
ALYS42
AARG55
AGLN93
AGLU94
AMET96
AASP99
ASER141
AASN142
ALEU144
AASP155
AMG700
AHOH723
AHOH732
AHOH740
AHOH748
AHOH750
AHOH884
AHOH900
AHOH901
ALEU19
ATYR24
AGLY25
AVAL27

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues25
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGEGAYGVVCsAthkptgeiv.........AIKK
ChainResidueDetails
ALEU19-LYS43

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. ViHrDLKpsNLLI
ChainResidueDetails
AVAL133-ILE145

site_idPS01351
Number of Residues103
DetailsMAPK MAP kinase signature. FdkplfalrtlREikilkhfkheniitifniqrpdsfenfnevyiiqelmqtdlhrvistqmlsddhiqyfiyqtlravkvlhgsnvih..........RDlKpsnllinsnC
ChainResidueDetails
APHE47-CYS149

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsMotif: {"description":"TXY"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"1628831","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"1628831","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"22106047","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ASER141
AASP137

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS139
AASP137

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ATHR185
ALYS139
AASP137

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASN142
ALYS139
AASP137

239492

PDB entries from 2025-07-30

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