Structure of PDB 1exr Chain A

Receptor sequence
>1exrA (length=146) Species: 5888 (Paramecium tetraurelia) [Search protein sequence]
EQLTEEQIAEFKEAFALFDKDGDGTITTKELGTVMRSLGQNPTEAELQDM
INEVDADGNGTIDFPEFLSLMARKMKEQDSEEELIEAFKVFDRDGNGLIS
AAELRHVMTNLGEKLTDDEVDEMIREADIDGDGHINYEEFVRMMVS
3D structure
PDB1exr The 1.0 A crystal structure of Ca(2+)-bound calmodulin: an analysis of disorder and implications for functionally relevant plasticity
ChainA
Resolution1.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) V35
Catalytic site (residue number reindexed from 1) V34
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CA A D20 D22 D24 T26 E31 D19 D21 D23 T25 E30
BS02 CA A D56 D58 N60 T62 E67 D55 D57 N59 T61 E66
BS03 CA A D129 D131 D133 H135 E140 D128 D130 D132 H134 E139
BS04 CA A D93 D95 N97 L99 E104 D92 D94 N96 L98 E103
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0030234 enzyme regulator activity
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:1exr, PDBe:1exr, PDBj:1exr
PDBsum1exr
PubMed10966818
UniProtP07463|CALM_PARTE Calmodulin (Gene Name=CAM)

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