Structure of PDB 1np8 Chain A

Receptor sequence
>1np8A (length=149) Species: 10116 (Rattus norvegicus) [Search protein sequence]
SEEERQFRKLFVQLAGDDMEVSATELMNILNKVVTRHPDLKTDGFGIDTC
RSMVAVMDSDTTGKLGFEEFKYLWNNIKKWQGIYKRFDTDRSGTIGSNEL
PGAFEAAGFHLNQHIYSMIIRRYSDETGNMDFDNFISCLVRLDAMFRAF
3D structure
PDB1np8 A second binding site revealed by C-terminal truncation of calpain small subunit, a penta-EF-hand protein
ChainA
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) F80 G103 I105
Catalytic site (residue number reindexed from 1) F70 G93 I95
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 CD A D68 D70 T72 K74 E79 D58 D60 T62 K64 E69
BS02 CD A D98 D100 S102 T104 E109 D88 D90 S92 T94 E99
BS03 CD A A25 D28 E30 E35 A15 D18 E20 E25
BS04 CD A D53 D141 D143 N144 D43 D131 D133 N134
BS05 CD A H47 D49 H37 D39
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding

View graph for
Molecular Function
External links
PDB RCSB:1np8, PDBe:1np8, PDBj:1np8
PDBsum1np8
PubMed14579356
UniProtQ64537|CPNS1_RAT Calpain small subunit 1 (Gene Name=Capns1)

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