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3B6R

Crystal structure of Human Brain-type Creatine Kinase

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0004111molecular_functioncreatine kinase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005615cellular_componentextracellular space
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005829cellular_componentcytosol
A0005886cellular_componentplasma membrane
A0016020cellular_componentmembrane
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0016772molecular_functiontransferase activity, transferring phosphorus-containing groups
A0021762biological_processsubstantia nigra development
A0031625molecular_functionubiquitin protein ligase binding
A0046314biological_processphosphocreatine biosynthetic process
A0070062cellular_componentextracellular exosome
A0140651biological_processfutile creatine cycle
B0000166molecular_functionnucleotide binding
B0003824molecular_functioncatalytic activity
B0004111molecular_functioncreatine kinase activity
B0005515molecular_functionprotein binding
B0005524molecular_functionATP binding
B0005615cellular_componentextracellular space
B0005737cellular_componentcytoplasm
B0005739cellular_componentmitochondrion
B0005829cellular_componentcytosol
B0005886cellular_componentplasma membrane
B0016020cellular_componentmembrane
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0016772molecular_functiontransferase activity, transferring phosphorus-containing groups
B0021762biological_processsubstantia nigra development
B0031625molecular_functionubiquitin protein ligase binding
B0046314biological_processphosphocreatine biosynthetic process
B0070062cellular_componentextracellular exosome
B0140651biological_processfutile creatine cycle
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 600
ChainResidue
BADP601
BNO3602
BHOH979

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE NO3 B 602
ChainResidue
BCRN603
BHOH795
BHOH979
BARG132
BGLU232
BARG236
BARG320
BMG600
BADP601

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ACT B 604
ChainResidue
APRO200
BASP268
BHOH964

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ACT A 605
ChainResidue
AASN222
ALYS223
ATHR224
ALYS242
AHOH945

site_idAC5
Number of Residues21
DetailsBINDING SITE FOR RESIDUE ADP B 601
ChainResidue
BSER128
BARG130
BARG132
BHIS191
BARG292
BGLY294
BVAL295
BHIS296
BARG320
BTHR322
BGLY323
BGLY324
BVAL325
BASP335
BMG600
BNO3602
BHOH773
BHOH775
BHOH804
BHOH819
BHOH935

site_idAC6
Number of Residues12
DetailsBINDING SITE FOR RESIDUE CRN B 603
ChainResidue
BTHR71
BVAL72
BLEU201
BGLU232
BCYS283
BSER285
BNO3602
BHOH780
BHOH792
BHOH801
BHOH934
BHOH974

Functional Information from PROSITE/UniProt
site_idPS00112
Number of Residues7
DetailsPHOSPHAGEN_KINASE Phosphagen kinase active site signature. CP.SNLGT
ChainResidueDetails
ACYS283-THR289

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues174
DetailsDomain: {"description":"Phosphagen kinase N-terminal","evidences":[{"source":"PROSITE-ProRule","id":"PRU00842","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues484
DetailsDomain: {"description":"Phosphagen kinase C-terminal","evidences":[{"source":"PROSITE-ProRule","id":"PRU00843","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues52
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues16
DetailsRegion: {"description":"Internal MTS-like signal","evidences":[{"source":"UniProtKB","id":"Q04447","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues28
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues38
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18977227","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"Q04447","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsModified residue: {"description":"3'-nitrotyrosine","evidences":[{"source":"UniProtKB","id":"Q04447","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P07335","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"Q04447","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues10
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"33268465","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues5
DetailsAnnotated By Reference To The Literature 1bg0
ChainResidueDetails
AARG236
AARG292
AARG320
AARG132
AGLU232

site_idCSA2
Number of Residues5
DetailsAnnotated By Reference To The Literature 1bg0
ChainResidueDetails
BARG236
BARG292
BARG320
BARG132
BGLU232

238582

PDB entries from 2025-07-09

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