Calcium in PDB 3tz1: Crystal Structure of the CA2+-Saturated C-Terminal Domain of Akazara Scallop Troponin C in Complex with A Troponin I Fragment

The structure of Crystal Structure of the CA2+-Saturated C-Terminal Domain of Akazara Scallop Troponin C in Complex with A Troponin I Fragment, PDB code: 3tz1 was solved by F.Yumoto, Y.S.Kato, I.Ohtsuki, M.Tanokura, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.32 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	32.130, 42.151, 59.966, 90.00, 90.00, 90.00
R / Rfree (%)	20.3 / 23.7

The binding sites of Calcium atom in the Crystal Structure of the CA2+-Saturated C-Terminal Domain of Akazara Scallop Troponin C in Complex with A Troponin I Fragment (pdb code 3tz1). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of the CA2+-Saturated C-Terminal Domain of Akazara Scallop Troponin C in Complex with A Troponin I Fragment, PDB code: 3tz1:

Calcium binding site 1 out of 1 in the Crystal Structure of the CA2+-Saturated C-Terminal Domain of Akazara Scallop Troponin C in Complex with A Troponin I Fragment


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of the CA2+-Saturated C-Terminal Domain of Akazara Scallop Troponin C in Complex with A Troponin I Fragment within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1 b:27.3 occ:1.00 OD1 A:ASP133 2.3 23.3 1.0 OD1 A:ASP131 2.3 25.1 1.0 O A:THR137 2.3 21.4 1.0 OE2 A:GLU142 2.6 28.8 1.0 OE1 A:GLU142 2.6 24.4 1.0 O A:HOH12 2.6 35.5 1.0 OG A:SER135 2.7 28.0 1.0 CD A:GLU142 2.9 29.1 1.0 CG A:ASP133 3.2 31.6 1.0 CG A:ASP131 3.5 25.4 1.0 OD2 A:ASP133 3.5 34.2 1.0 C A:THR137 3.6 25.0 1.0 CB A:SER135 3.7 31.5 1.0 OG1 A:THR137 4.1 27.8 1.0 N A:SER135 4.1 36.3 1.0 CA A:ASP131 4.3 25.0 1.0 CB A:ASP131 4.3 28.2 1.0 OD2 A:ASP131 4.3 25.9 1.0 N A:ASP133 4.3 30.5 1.0 N A:THR137 4.4 23.5 1.0 CA A:VAL138 4.4 22.6 1.0 CG A:GLU142 4.4 29.3 1.0 N A:VAL138 4.4 21.9 1.0 CA A:SER135 4.5 35.1 1.0 OD2 A:ASP139 4.5 32.2 1.0 N A:THR132 4.5 28.9 1.0 CA A:THR137 4.5 22.4 1.0 N A:ASP139 4.5 23.1 1.0 CB A:ASP133 4.6 31.9 1.0 C A:ASP131 4.6 33.4 1.0 CA A:ASP133 4.8 31.7 1.0 N A:GLY134 4.8 32.8 1.0 N A:GLY136 4.9 29.4 1.0 CB A:THR137 4.9 23.4 1.0 C A:VAL138 5.0 25.2 1.0 C A:SER135 5.0 34.3 1.0 C A:ASP133 5.0 35.2 1.0

Y.S.Kato, F.Yumoto, H.Tanaka, T.Miyakawa, Y.Miyauchi, D.Takeshita, Y.Sawano, T.Ojima, I.Ohtsuki, M.Tanokura. Structure of the CA2+-Saturated C-Terminal Domain of Scallop Troponin C in Complex with A Troponin I Fragment Biol.Chem. V. 394 55 2012.
ISSN: ISSN 1431-6730
PubMed: 23096565
DOI: 10.1515/HSZ-2012-0152