Calcium in PDB 4tnc: Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-Angstroms Resolution

The structure of Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-Angstroms Resolution, PDB code: 4tnc was solved by M.Sundaralingam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 2.00
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	66.700, 66.700, 60.800, 90.00, 90.00, 120.00
R / Rfree (%)	n/a / n/a

The binding sites of Calcium atom in the Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-Angstroms Resolution (pdb code 4tnc). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-Angstroms Resolution, PDB code: 4tnc:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca163 b:20.4 occ:1.00 OE1 A:GLU117 2.0 27.6 1.0 OD2 A:ASP106 2.2 19.3 1.0 O A:PHE112 2.4 22.1 1.0 OD1 A:ASN108 2.4 17.6 1.0 OD2 A:ASP110 2.5 19.2 1.0 OE2 A:GLU117 2.5 14.0 1.0 CD A:GLU117 2.8 22.4 1.0 O A:HOH176 2.9 27.2 1.0 CG A:ASP110 3.2 19.9 1.0 CG A:ASN108 3.4 19.7 1.0 CG A:ASP106 3.4 15.1 1.0 C A:PHE112 3.6 25.1 1.0 OD1 A:ASP110 3.7 23.7 1.0 ND2 A:ASN108 4.0 35.8 1.0 CA A:ASP106 4.1 19.5 1.0 CB A:ASP106 4.2 22.1 1.0 N A:ASN108 4.2 27.8 1.0 OD1 A:ASP106 4.2 25.2 1.0 CG A:GLU117 4.3 17.5 1.0 N A:ASP110 4.3 17.1 1.0 N A:PHE112 4.3 15.3 1.0 CA A:ILE113 4.4 29.6 1.0 CB A:ASP110 4.4 26.3 1.0 N A:ALA109 4.4 19.3 1.0 N A:ILE113 4.5 16.1 1.0 N A:ASP114 4.5 13.2 1.0 CA A:PHE112 4.5 15.1 1.0 C A:ASP106 4.5 17.5 1.0 N A:LYS107 4.5 18.4 1.0 CB A:ASN108 4.6 43.6 1.0 OD2 A:ASP114 4.6 27.0 1.0 C A:ILE113 4.6 17.7 1.0 O A:HOH166 4.7 25.4 1.0 CA A:ASN108 4.7 21.7 1.0 C A:ASN108 4.8 28.8 1.0 CG A:ASP114 4.8 19.2 1.0 CB A:PHE112 4.8 28.9 1.0 CA A:ASP110 4.8 15.8 1.0 N A:GLY111 5.0 26.2 1.0

Calcium binding site 2 out of 2 in the Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca164 b:15.5 occ:1.00 OD2 A:ASP142 2.1 15.2 1.0 OE2 A:GLU153 2.3 16.3 1.0 O A:ARG148 2.3 17.1 1.0 OD1 A:ASN144 2.4 18.8 1.0 OD2 A:ASP146 2.4 16.6 1.0 O A:HOH209 2.5 21.7 1.0 OE1 A:GLU153 2.7 20.6 1.0 CD A:GLU153 3.0 14.1 1.0 CG A:ASP146 3.3 25.5 1.0 CG A:ASP142 3.3 22.5 1.0 C A:ARG148 3.4 22.3 1.0 CG A:ASN144 3.5 15.8 1.0 OD1 A:ASP146 3.7 21.3 1.0 ND2 A:ASN144 4.0 32.6 1.0 CB A:ASP142 4.1 23.8 1.0 CA A:ASP142 4.1 12.1 1.0 N A:ASN144 4.2 17.1 1.0 OD1 A:ASP142 4.2 14.4 1.0 N A:ARG148 4.3 29.2 1.0 N A:ILE149 4.4 13.7 1.0 CG A:GLU153 4.4 14.8 1.0 N A:ASP146 4.4 27.1 1.0 CA A:ARG148 4.5 25.2 1.0 N A:LYS143 4.5 19.4 1.0 C A:ASP142 4.5 20.1 1.0 CA A:ILE149 4.6 12.1 1.0 CB A:ASP146 4.6 25.1 1.0 N A:ASP150 4.6 15.2 1.0 CG A:ARG148 4.7 21.9 1.0 N A:ASN145 4.8 15.7 1.0 CB A:ASN144 4.8 18.9 1.0 CA A:ASN144 4.8 17.6 1.0 O A:HOH210 4.8 47.3 1.0 C A:ASN144 4.9 21.4 1.0 CA A:ASP146 4.9 28.9 1.0 N A:GLY147 4.9 26.1 1.0

K.A.Satyshur, S.T.Rao, D.Pyzalska, W.Drendel, M.Greaser, M.Sundaralingam. Refined Structure of Chicken Skeletal Muscle Troponin C in the Two-Calcium State at 2-A Resolution. J.Biol.Chem. V. 263 1628 1988.
ISSN: ISSN 0021-9258
PubMed: 3338985