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3ZDU

Crystal structure of the human CDKL3 kinase domain

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE 38R A 350
ChainResidue
AVAL10
ATHR85
AASP88
AGLU129
AASN130
ALEU132
AASP143
AHOH2004
AHOH2028
AALA31
ALYS33
APHE79
AGLU80
APHE81
AILE82
AASP83
AHIS84

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 351
ChainResidue
AASP175
AHIS223
AHIS282
AHOH2087

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN A 352
ChainResidue
AHIS92
AHIS211
AHOH2029
AHOH2033
AHOH2034
AHOH2158

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NA A 353
ChainResidue
AASP125
AASP143
AHOH2069

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO A 354
ChainResidue
AARG111
AHOH2059

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 355
ChainResidue
AILE275
ASER276
AASP279
AHOH2057
AHOH2141

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. VGEGSYGTVMkCkhkntgqi..........VAIK
ChainResidueDetails
AVAL10-LYS33

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IiHrDIKpeNILV
ChainResidueDetails
AILE121-VAL133

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsMotif: {"description":"[NKR]KIAxRE"}
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":"UniProtKB","id":"Q9JM01","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"Q9JM01","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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