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1BX4

STRUCTURE OF HUMAN ADENOSINE KINASE AT 1.50 ANGSTROMS

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003723molecular_functionRNA binding
A0004001molecular_functionadenosine kinase activity
A0004136molecular_functiondeoxyadenosine kinase activity
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006144biological_processpurine nucleobase metabolic process
A0006166biological_processpurine ribonucleoside salvage
A0006170biological_processdAMP biosynthetic process
A0009156biological_processribonucleoside monophosphate biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0032261biological_processpurine nucleotide salvage
A0044209biological_processAMP salvage
A0046872molecular_functionmetal ion binding
A0110052biological_processtoxic metabolite repair
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 380
ChainResidue
AASN14
ATHR66
AADN350

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 385
ChainResidue
ATHR265
AHOH556
AHOH746

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 360
ChainResidue
AHOH747
AHOH748
AHOH749
AHOH750
AHOH751
AHOH746

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 365
ChainResidue
AASP130
AASN131
AHOH752
AHOH753
AHOH754
AHOH755

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 375
ChainResidue
ASER32
AHOH402
AHOH756
AHOH757
AHOH758
AHOH759

site_idAC6
Number of Residues14
DetailsBINDING SITE FOR RESIDUE ADN A 350
ChainResidue
AASN14
AASP18
ALEU40
AGLY64
ASER65
AASN68
APHE170
AASN296
AGLY297
AASP300
ACL380
AHOH415
AHOH416
AHOH430

site_idAC7
Number of Residues19
DetailsBINDING SITE FOR RESIDUE ADN A 355
ChainResidue
ATHR265
AGLY267
AARG268
ATHR271
AASP286
AGLN289
AILE292
AALA298
AGLY299
AHIS324
AALA327
AILE331
AHOH408
AHOH410
AHOH420
AHOH425
AHOH577
AHOH597
AHOH637

site_idADA
Number of Residues1
DetailsADN 350 BINDS IN THE SUBSTRATE BINDING SITE.
ChainResidue
AADN350

site_idADB
Number of Residues1
DetailsADN 355 BINDS IN THE ATP BINDING SITE.
ChainResidue
AADN355

Functional Information from PROSITE/UniProt
site_idPS00584
Number of Residues14
DetailsPFKB_KINASES_2 pfkB family of carbohydrate kinases signature 2. DTnGAGDafvGGFL
ChainResidueDetails
AASP294-LEU307

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"9843365","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1BX4","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"9843365","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1BX4","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"12112843","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1lio
ChainResidueDetails
AASP300
AARG132

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1lio
ChainResidueDetails
AALA298
AASP300
AGLY297
AGLY299

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PDB entries from 2025-12-24

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