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3Q2J

Crystal Structure of 3',5"-Aminoglycoside Phosphotransferase Type IIIa Protein Kinase Inhibitor CKI-7 Complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005524molecular_functionATP binding
A0008910molecular_functionkanamycin kinase activity
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0016773molecular_functionphosphotransferase activity, alcohol group as acceptor
A0046677biological_processresponse to antibiotic
B0000166molecular_functionnucleotide binding
B0005524molecular_functionATP binding
B0008910molecular_functionkanamycin kinase activity
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0016773molecular_functionphosphotransferase activity, alcohol group as acceptor
B0046677biological_processresponse to antibiotic
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 301
ChainResidue
AASP153
AASP155
AGLU157
AGLU262
AHOH352
AHOH357

site_idAC2
Number of Residues11
DetailsBINDING SITE FOR RESIDUE CKI A 300
ChainResidue
ASER91
AGLU92
AALA93
ALEU97
ASER194
APHE197
AILE207
AHOH410
AVAL31
ATYR42
AMET90

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 301
ChainResidue
BASP153
BASP155
BGLU157
BGLU262
BHOH360

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CKI B 300
ChainResidue
BTYR42
BSER91
BALA93
BLEU97
BSER194
BPHE197
BHOH364

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 640
ChainResidueDetails
ALYS44electrostatic stabiliser, polar interaction
AASP190proton acceptor, proton shuttle (general acid/base)
AASN195metal ligand
AASP208metal ligand

site_idMCSA2
Number of Residues4
DetailsM-CSA 640
ChainResidueDetails
BLYS44electrostatic stabiliser, polar interaction
BASP190proton acceptor, proton shuttle (general acid/base)
BASN195metal ligand
BASP208metal ligand

247536

PDB entries from 2026-01-14

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