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Calcium in PDB 1ar1: Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment

Enzymatic activity of Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment

All present enzymatic activity of Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment:
1.9.3.1;

Protein crystallography data

The structure of Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment, PDB code: 1ar1 was solved by C.Ostermeier, A.Harrenga, U.Ermler, H.Michel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.00 / 2.70
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 93.500, 151.000, 156.700, 90.00, 90.00, 90.00
R / Rfree (%) 20.7 / 26.1

Other elements in 1ar1:

The structure of Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment also contains other interesting chemical elements:

Magnesium (Mg) 1 atom
Iron (Fe) 2 atoms
Copper (Cu) 3 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment (pdb code 1ar1). 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 Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment, PDB code: 1ar1:

Calcium binding site 1 out of 1 in 1ar1

Go back to Calcium Binding Sites List in 1ar1
Calcium binding site 1 out of 1 in the Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure at 2.7 Angstrom Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca561

b:22.7
occ:1.00
 OE2 A:GLU56 2.3 41.6 1.0
O A:HIS59 2.3 53.2 1.0
O A:GLY61 2.4 53.1 1.0
O A:GLU56 2.4 50.4 1.0
OE1 A:GLN63 2.4 37.1 1.0
C A:GLU56 3.2 49.7 1.0
C A:GLY61 3.3 52.2 1.0
CD A:GLU56 3.3 49.6 1.0
OD1 A:ASP477 3.4 55.5 1.0
CD A:GLN63 3.4 58.2 1.0
C A:HIS59 3.5 55.6 1.0
CG A:GLU56 3.7 45.5 1.0
N A:GLY61 3.7 47.6 1.0
C A:PRO60 3.8 52.2 1.0
NE2 A:GLN63 3.9 45.2 1.0
CA A:GLU56 4.0 48.4 1.0
CA A:PRO60 4.0 54.7 1.0
N A:VAL62 4.0 50.1 1.0
O A:ILE476 4.1 45.0 1.0
CA A:VAL62 4.1 45.0 1.0
CA A:GLY61 4.1 48.2 1.0
N A:LEU57 4.2 42.3 1.0
N A:PRO60 4.2 57.6 1.0
O A:PRO60 4.3 48.7 1.0
OE1 A:GLU56 4.4 46.8 1.0
CB A:GLU56 4.4 44.4 1.0
N A:GLN63 4.5 46.3 1.0
CG A:ASP477 4.5 53.9 1.0
CA A:LEU57 4.5 36.3 1.0
CG A:GLN63 4.6 57.2 1.0
CA A:HIS59 4.7 55.5 1.0
N A:HIS59 4.7 57.9 1.0
C A:VAL62 4.8 45.7 1.0
C A:LEU57 4.9 38.1 1.0

Reference:

C.Ostermeier, A.Harrenga, U.Ermler, H.Michel. Structure at 2.7 A Resolution of the Paracoccus Denitrificans Two-Subunit Cytochrome C Oxidase Complexed with An Antibody Fv Fragment. Proc.Natl.Acad.Sci.Usa V. 94 10547 1997.
ISSN: ISSN 0027-8424
PubMed: 9380672
DOI: 10.1073/PNAS.94.20.10547
Page generated: Mon Jul 7 13:25:11 2025

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