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2C49

Crystal Structure of Methanocaldococcus jannaschii Nucleoside Kinase - An Archaeal Member of the Ribokinase Family

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000287molecular_functionmagnesium ion binding
A0005524molecular_functionATP binding
A0005829cellular_componentcytosol
A0006796biological_processphosphate-containing compound metabolic process
A0008906molecular_functioninosine kinase activity
A0009165biological_processnucleotide biosynthetic process
A0009224biological_processCMP biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0019206molecular_functionnucleoside kinase activity
A0043771molecular_functioncytidine kinase activity
A0106366molecular_functionguanosine kinase activity
B0000166molecular_functionnucleotide binding
B0000287molecular_functionmagnesium ion binding
B0005524molecular_functionATP binding
B0005829cellular_componentcytosol
B0006796biological_processphosphate-containing compound metabolic process
B0008906molecular_functioninosine kinase activity
B0009165biological_processnucleotide biosynthetic process
B0009224biological_processCMP biosynthetic process
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0019206molecular_functionnucleoside kinase activity
B0043771molecular_functioncytidine kinase activity
B0106366molecular_functionguanosine kinase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A1302
ChainResidue
AHOH2046
AHOH2056
AHOH2057
AHOH2066
AHOH2077
AHOH2079

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A1303
ChainResidue
AHOH2042
AHOH2054
AHOH2018
AHOH2019
AHOH2021

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B1302
ChainResidue
BHOH2014
BHOH2040
BHOH2041
BHOH2053
BHOH2081
BHOH2082

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG B1303
ChainResidue
BHOH2036
BHOH2048
BHOH2058
BHOH2059
BHOH2078

site_idAC5
Number of Residues16
DetailsBINDING SITE FOR RESIDUE ADN A1301
ChainResidue
AHIS13
AALA15
AASP17
AGLY42
AGLY43
AASN47
ATHR111
APHE113
AGLN163
AASP164
AASP247
ACYS283
AHOH2077
AHOH2078
BSER31
BGLN33

site_idAC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE ANP A1304
ChainResidue
AGLN109
AASN186
ATHR214
AGLY216
AGLY219
ACYS233
AILE234
AVAL239
ATHR243
AALA245
AGLY246
AALA274
AHOH2062
AHOH2072
AHOH2079
AHOH2080

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ADN B1301
ChainResidue
BHIS13
BALA15
BASP17
BGLY42
BGLY43
BALA44
BHOH2080

site_idAC8
Number of Residues19
DetailsBINDING SITE FOR RESIDUE ANP B1304
ChainResidue
BASN186
BTHR214
BLYS215
BGLY216
BGLY219
BCYS233
BILE234
BVAL239
BPRO242
BTHR243
BGLY244
BALA245
BGLY246
BTYR249
BARG250
BALA274
BHOH2060
BHOH2081
BHOH2082

Functional Information from PROSITE/UniProt
site_idPS00583
Number of Residues25
DetailsPFKB_KINASES_1 pfkB family of carbohydrate kinases signature 1. GGaAaNTAvgIkKLGvnsellscvG
ChainResidueDetails
AGLY42-GLY66

site_idPS00584
Number of Residues14
DetailsPFKB_KINASES_2 pfkB family of carbohydrate kinases signature 2. DPtGAGDsyrAGFL
ChainResidueDetails
AASP241-LEU254

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Proton acceptor => ECO:0000305|PubMed:16929110
ChainResidueDetails
AASP247
BASP247

site_idSWS_FT_FI2
Number of Residues20
DetailsBINDING: BINDING => ECO:0000269|PubMed:16929110, ECO:0007744|PDB:2C49
ChainResidueDetails
AASP17
AASP247
BASP17
BGLN33
BGLY43
BASN47
BGLN109
BTHR111
BGLN163
BASN186
BTHR214
AGLN33
BASP247
AGLY43
AASN47
AGLN109
ATHR111
AGLN163
AASN186
ATHR214

site_idSWS_FT_FI3
Number of Residues2
DetailsSITE: Transition state stabilizer => ECO:0000305|PubMed:16929110
ChainResidueDetails
AARG250
BARG250

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1rk2
ChainResidueDetails
AALA245
AGLY246
AASP247
AGLY244

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1rk2
ChainResidueDetails
BALA245
BGLY246
BASP247
BGLY244

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PDB entries from 2025-06-18

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