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5CSI

S100B-RSK1 crystal structure A'

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Protein S100-Bpolymer9511009.32UniProt (P04271)
Pfam (PF01023)
Pfam (PF00036)
Homo sapiens (Human)S-100 protein beta chain,S-100 protein subunit beta,S100 calcium-binding protein B
2C
(C)
Ribosomal protein S6 kinase alpha-1polymer495260.11UniProt (Q15418)Homo sapiens (Human)S6K-alpha-1,90 kDa ribosomal protein S6 kinase 1,p90S6K,MAP kinase-activated protein kinase 1a,MAPKAPK-1a,Ribosomal S6 kinase 1,RSK-1
3D, E, F, G
(A, B)
CALCIUM IONnon-polymer40.14Chemie (CA)
4H, I
(A, B)
waterwater18.040Chemie (HOH)
Sequence modifications
A, B: 0 - 91 (UniProt: P04271)
PDBExternal DatabaseDetails
Gly -3-expression tag
Ser -2-expression tag
His -1-expression tag
C: 689 - 735 (UniProt: Q15418)
PDBExternal DatabaseDetails
Gly 687-expression tag
Ser 688-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight27278.7
Non-Polymers*Number of molecules4
Total formula weight160.3
All*Total formula weight27439.0
*Water molecules are not included.

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PDB entries from 2025-07-23

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