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2PUL

Structures of 5-methylthioribose kinase reveal substrate specificity and unusual mode of nucleotide binding

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005524molecular_functionATP binding
A0008652biological_processamino acid biosynthetic process
A0009086biological_processmethionine biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0019509biological_processL-methionine salvage from methylthioadenosine
A0046522molecular_functionS-methyl-5-thioribose kinase activity
B0000166molecular_functionnucleotide binding
B0005524molecular_functionATP binding
B0008652biological_processamino acid biosynthetic process
B0009086biological_processmethionine biosynthetic process
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0019509biological_processL-methionine salvage from methylthioadenosine
B0046522molecular_functionS-methyl-5-thioribose kinase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 400
ChainResidue
AASP250
AGLU252
AACP999
AHOH1212

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 400
ChainResidue
BASP250
BGLU252
BACP999

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE CPS A 777
ChainResidue
AGLU389
ALEU390
AHOH1088
AHOH1159
BLYS377
BGLU380
BHOH1054
AGLU380
AASP386

site_idAC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE ACP A 999
ChainResidue
AASP40
AASN44
AILE59
ALYS61
AMET114
AGLU115
AASP116
ALEU117
ASER118
AILE122
APHE240
AILE249
AASP250
AGLU252
AMG400
AHOH1018
AHOH1061
AHOH1109
AHOH1179
AHOH1197
AHOH1210
AHOH1212

site_idAC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE ACP B 999
ChainResidue
BASP40
BASN44
BILE59
BLYS61
BMET114
BGLU115
BASP116
BLEU117
BSER118
BPHE240
BASP250
BMG400
BHOH1002
BHOH1092
BHOH1243

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17372354","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17522047","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17522047","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1l8t
ChainResidueDetails
ALYS68
AASP233

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1l8t
ChainResidueDetails
BASP233

243083

PDB entries from 2025-10-15

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