Structure of PDB 1a2x Chain A

Receptor sequence
>1a2xA (length=158) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence]
DQQAEARSYLSEEMIAEFKAAFDMFDADGGGDISVKELGTVMRMLGQTPT
KEELDAIIEEVDEDGSGTIDFEEFLVMMVRQMKEDAKGKSEEELAECFRI
FDRNADGYIDAEELAEIFRASGEHVTDEEIESLMKDGDKNNDGRIDFDEF
LKMMEGVQ
3D structure
PDB1a2x Crystal structure of troponin C in complex with troponin I fragment at 2.3-A resolution.
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) V42
Catalytic site (residue number reindexed from 1) V41
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 D103 N105 D107 Y109 E114 D102 N104 D106 Y108 E113
BS02 CA A D139 N141 D143 R145 E150 D138 N140 D142 R144 E149
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0031014 troponin T binding
GO:0046872 metal ion binding
Cellular Component
GO:0016460 myosin II complex

View graph for
Molecular Function

View graph for
Cellular Component
External links
PDB RCSB:1a2x, PDBe:1a2x, PDBj:1a2x
PDBsum1a2x
PubMed9560191
UniProtP02586|TNNC2_RABIT Troponin C, skeletal muscle (Gene Name=TNNC2)

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