Calcium in PDB 3frp: Crystal Structure of Cobra Venom Factor, A Co-Factor For C3- and C5 Convertase Cvfbb

The structure of Crystal Structure of Cobra Venom Factor, A Co-Factor For C3- and C5 Convertase Cvfbb, PDB code: 3frp was solved by V.Krishnan, S.V.L.Narayana, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.61
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	134.138, 151.141, 76.787, 90.00, 90.00, 90.00
R / Rfree (%)	24.8 / 29.7

The binding sites of Calcium atom in the Crystal Structure of Cobra Venom Factor, A Co-Factor For C3- and C5 Convertase Cvfbb (pdb code 3frp). 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 Cobra Venom Factor, A Co-Factor For C3- and C5 Convertase Cvfbb, PDB code: 3frp:

Calcium binding site 1 out of 1 in the Crystal Structure of Cobra Venom Factor, A Co-Factor For C3- and C5 Convertase Cvfbb


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 Cobra Venom Factor, A Co-Factor For C3- and C5 Convertase Cvfbb within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca628 b:31.4 occ:1.00 OD1 A:ASP517 2.2 37.9 1.0 OD1 A:ASP520 2.3 46.8 1.0 O A:PRO494 2.4 37.9 1.0 O A:VAL518 2.4 44.7 1.0 O A:HOH641 2.6 31.5 1.0 CG A:ASP520 3.0 47.4 1.0 OD2 A:ASP520 3.2 47.6 1.0 CG A:ASP517 3.3 39.8 1.0 C A:PRO494 3.4 37.9 1.0 C A:VAL518 3.6 44.4 1.0 N A:VAL518 3.8 42.9 1.0 CB A:PRO494 3.8 37.6 1.0 OD2 A:ASP517 3.8 37.6 1.0 CA A:PRO494 3.9 37.7 1.0 N A:ASP520 4.3 47.0 1.0 CA A:VAL518 4.3 43.3 1.0 CB A:ASP520 4.4 47.9 1.0 O A:HOH669 4.5 42.0 1.0 OE2 A:GLU581 4.5 48.3 1.0 N A:SER495 4.6 38.6 1.0 CB A:ASP517 4.6 41.4 1.0 C A:LYS519 4.6 46.4 1.0 N A:LYS519 4.7 44.8 1.0 C A:ASP517 4.7 42.4 1.0 CA A:ASP517 4.7 41.8 1.0 CA A:ASP520 4.7 47.6 1.0 CA A:LYS519 4.8 45.7 1.0 O A:HOH668 4.8 41.3 1.0 CB A:SER495 4.8 38.9 1.0

V.Krishnan, K.Ponnuraj, Y.Xu, K.Macon, J.E.Volanakis, S.V.Narayana. The Crystal Structure of Cobra Venom Factor, A Cofactor For C3- and C5-Convertase Cvfbb. Structure V. 17 611 2009.
ISSN: ISSN 0969-2126
PubMed: 19368894
DOI: 10.1016/J.STR.2009.01.015