Gene Information
Gene NameMAPKAPK1B
OrganismHomo sapiens (Human)
Gene Length740
Protein NamesRibosomal protein S6 kinase alpha-3 (S6K-alpha-3) (EC 2.7.11.1) (90 kDa ribosomal protein S6 kinase 3) (p90-RSK 3) (p90RSK3) (Insulin-stimulated protein kinase 1) (ISPK-1) (MAP kinase-activated protein kinase 1b) (MAPK-activated protein kinase 1b) (MAPKAP kinase 1b) (MAPKAPK-1b) (Ribosomal S6 kinase 2) (RSK-2) (pp90RSK2)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBP51812
Gene CardRPS6KA3
Uniprot IDP51812
PfamPF00069; PF00433
In ASDyes
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityExpressed in many tissues, highest levels in skeletal muscle.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 4D9T  (X-ray  2.40A  4D9U  (X-ray  2.40A  4JG6  (X-ray  2.60A  4JG7  (X-ray  3.00A  4JG8  (X-ray  3.10A  4NUS  (X-ray  2.39A  4NW5  (X-ray  1.94A  4NW6  (X-ray  1.74A  5D9K  (X-ray  2.55A  5D9L  (X-ray  2.15A  7OPO  (X-ray  2.75A 
DBSNP rs56218010  rs122454124  rs122454126  rs122454127  rs387906703  rs398122813  rs122454130  rs879027948  rs122454125  rs122454131  rs122454129  rs148050184  rs1271090915  rs35026425  rs28935171 
Subcellular location [CC]Nucleus {ECO:0000269|PubMed:17213202}. Cytoplasm {ECO:0000269|PubMed:17213202}.
Mouse PG classificationNA
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