Calcium in PDB 1fax: Coagulation Factor Xa Inhibitor Complex

All present enzymatic activity of Coagulation Factor Xa Inhibitor Complex:
3.4.21.6;

The structure of Coagulation Factor Xa Inhibitor Complex, PDB code: 1fax was solved by H.Brandstetter, R.A.Engh, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	N/A / 3.00
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	56.930, 73.170, 79.080, 90.00, 90.00, 90.00
R / Rfree (%)	19.7 / 26.1

The binding sites of Calcium atom in the Coagulation Factor Xa Inhibitor Complex (pdb code 1fax). 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 Coagulation Factor Xa Inhibitor Complex, PDB code: 1fax:

Calcium binding site 1 out of 1 in the Coagulation Factor Xa Inhibitor Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Coagulation Factor Xa Inhibitor Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1 b:44.0 occ:1.00 O A:ASN72 2.0 41.5 1.0 OE2 A:GLU80 2.1 41.2 1.0 O A:ALA75 2.3 65.9 1.0 CD A:GLU80 2.6 40.4 1.0 OE1 A:GLU80 2.7 42.9 1.0 OD1 A:ASP70 3.0 25.4 1.0 C A:ASN72 3.2 41.7 1.0 C A:ALA75 3.3 66.6 1.0 OE1 A:GLU77 3.3 82.8 1.0 H A:ASN72 3.6 20.0 0.0 H A:ALA75 3.6 20.0 0.0 H A:GLU77 3.8 20.0 0.0 N A:ALA75 3.8 64.9 1.0 C A:THR73 3.8 53.5 1.0 O A:THR73 3.9 55.3 1.0 CG A:GLU80 4.0 37.9 1.0 CG A:ASP70 4.0 25.8 1.0 N A:THR73 4.1 45.7 1.0 CA A:ALA75 4.1 65.7 1.0 CA A:THR73 4.2 50.7 1.0 CA A:ASN72 4.2 39.3 1.0 N A:ALA74 4.2 56.6 1.0 N A:GLU76 4.2 67.2 1.0 N A:ASN72 4.3 35.2 1.0 C A:ALA74 4.3 63.3 1.0 H A:ALA74 4.3 20.0 0.0 CA A:GLU76 4.4 69.2 1.0 CB A:ASN72 4.4 41.3 1.0 OD2 A:ASP70 4.4 28.0 1.0 CD A:GLU77 4.5 82.5 1.0 H A:ARG71 4.5 20.0 0.0 N A:GLU77 4.7 69.9 1.0 CG A:ASN72 4.8 42.7 1.0 O A:ALA74 4.8 64.2 1.0 CA A:ALA74 4.9 60.4 1.0 OD1 A:ASN72 5.0 44.8 1.0

H.Brandstetter, A.Kuhne, W.Bode, R.Huber, W.Von Der Saal, K.Wirthensohn, R.A.Engh. X-Ray Structure of Active Site-Inhibited Clotting Factor Xa. Implications For Drug Design and Substrate Recognition. J.Biol.Chem. V. 271 29988 1996.
ISSN: ISSN 0021-9258
PubMed: 8939944
DOI: 10.1074/JBC.271.47.29988