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Calcium in PDB 1wad: Cytochrome C3 with 4 Heme Groups and One Calcium Ion

Protein crystallography data

The structure of Cytochrome C3 with 4 Heme Groups and One Calcium Ion, PDB code: 1wad was solved by P.M.Matias, J.Morais, R.Coelho, M.A.Carrondo, K.Wilson, Z.Dauter, L.Sieker, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 36.00 / 1.80
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 41.800, 50.100, 51.700, 90.00, 90.00, 90.00
R / Rfree (%) 14.9 / 21.9

Other elements in 1wad:

The structure of Cytochrome C3 with 4 Heme Groups and One Calcium Ion also contains other interesting chemical elements:

Iron (Fe) 4 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Cytochrome C3 with 4 Heme Groups and One Calcium Ion (pdb code 1wad). 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 Cytochrome C3 with 4 Heme Groups and One Calcium Ion, PDB code: 1wad:

Calcium binding site 1 out of 1 in 1wad

Go back to Calcium Binding Sites List in 1wad
Calcium binding site 1 out of 1 in the Cytochrome C3 with 4 Heme Groups and One Calcium Ion


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Cytochrome C3 with 4 Heme Groups and One Calcium Ion within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca116

b:13.3
occ:1.00
O A:ILE13 2.2 14.0 1.0
O2D A:HEM115 2.2 9.8 1.0
OD1 A:ASP11 2.3 13.5 1.0
O A:LEU20 2.4 11.4 1.0
O1A A:HEM115 2.4 17.4 1.0
OD1 A:ASN19 2.5 16.6 1.0
CGA A:HEM115 3.3 17.5 1.0
C A:ILE13 3.4 16.1 1.0
CGD A:HEM115 3.4 8.7 1.0
CG A:ASN19 3.4 18.6 1.0
CG A:ASP11 3.5 17.6 1.0
C A:LEU20 3.5 14.9 1.0
O2A A:HEM115 3.6 32.9 1.0
N A:LEU20 3.8 21.0 1.0
ND2 A:ASN19 3.8 16.9 1.0
CBD A:HEM115 4.0 6.9 1.0
N A:ILE13 4.0 14.6 1.0
CA A:ILE13 4.1 15.6 1.0
CA A:ASP11 4.1 12.5 1.0
CB A:ILE13 4.2 16.8 1.0
CA A:LEU20 4.2 17.6 1.0
OD2 A:ASP11 4.3 26.0 1.0
N A:GLY15 4.4 15.5 1.0
CB A:ASP11 4.4 10.9 1.0
C A:ASP11 4.5 15.0 1.0
N A:ALA14 4.5 17.1 1.0
O1D A:HEM115 4.5 12.3 1.0
C A:ASN19 4.6 22.3 1.0
N A:THR21 4.6 12.6 1.0
CBA A:HEM115 4.6 15.7 1.0
CB A:LEU20 4.6 18.0 1.0
CA A:ALA14 4.7 16.0 1.0
N A:PHE12 4.7 10.4 1.0
CG2 A:ILE13 4.7 16.8 1.0
CB A:ASN19 4.8 14.8 1.0
CA A:ASN19 4.8 17.8 1.0
CA A:THR21 4.9 14.7 1.0

Reference:

P.M.Matias, J.Morais, R.Coelho, M.A.Carrondo, K.Wilson, Z.Dauter, L.Sieker. Cytochrome C3 From Desulfovibrio Gigas: Crystal Structure at 1.8 A Resolution and Evidence For A Specific Calcium-Binding Site. Protein Sci. V. 5 1342 1996.
ISSN: ISSN 0961-8368
PubMed: 8819167
Page generated: Tue Jul 8 03:11:58 2025

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