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2KDU

Structural basis of the Munc13-1/Ca2+-Calmodulin interaction: A novel 1-26 calmodulin binding motif with a bipartite binding mode

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Calmodulinpolymer14816721.31UniProt (P62155)
Pfam (PF13499)
UniProt (by SIFTS) (P0DP33)
Xenopus laevis (clawed frog common platanna platanna)CaM
2B
(B)
Protein unc-13 homolog Apolymer364176.81UniProt (Q62768)Munc13-1
3C, D, E, F
(A)
CALCIUM IONnon-polymer40.14Chemie (CA)
Sequence modifications
B: 458 - 492 (UniProt: Q62768)
PDBExternal DatabaseDetails
Gly 457-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight20898.2
Non-Polymers*Number of molecules4
Total formula weight160.3
All*Total formula weight21058.5
*Water molecules are not included.

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PDB entries from 2025-06-11

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