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4NFN

Human tau tubulin kinase 1 (TTBK1) complexed with 3-({5-[(4-amino-4-methylpiperidin-1-yl)methyl]pyrrolo[2,1-f][1,2,4]triazin-4-yl}amino)-5-bromophenol

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 Residues11
DetailsBINDING SITE FOR RESIDUE 2KC A 401
ChainResidue
AILE48
AASP176
AHOH648
AALA61
ALYS63
AGLU77
AVAL105
AMET107
AGLN108
AGLN110
AASN159

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 402
ChainResidue
AARG153
AARG194
AARG200
AHOH555
AHOH574
AHOH653

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 403
ChainResidue
AARG118
AARG119
AARG204
AARG240
AHOH612

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 404
ChainResidue
AARG57
AGLY111
AARG112
AARG164
AHOH505
AHOH690

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGGGGFGEIYeAmdlltren..........VALK
ChainResidueDetails
AILE40-LYS63

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues263
DetailsDomain: {"description":"Protein kinase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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

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

250835

PDB entries from 2026-03-18

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