Calcium in PDB 2adj: Crystal Structure of Monoclonal Anti-CD4 Antibody Q425 in Complex with Calcium

The structure of Crystal Structure of Monoclonal Anti-CD4 Antibody Q425 in Complex with Calcium, PDB code: 2adj was solved by T.Zhou, D.H.Hamer, W.A.Hendrickson, Q.J.Sattentau, P.D.Kwong, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	9.98 / 2.90
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	97.224, 97.224, 110.976, 90.00, 90.00, 90.00
R / Rfree (%)	21.3 / 30

The binding sites of Calcium atom in the Crystal Structure of Monoclonal Anti-CD4 Antibody Q425 in Complex with Calcium (pdb code 2adj). 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 Monoclonal Anti-CD4 Antibody Q425 in Complex with Calcium, PDB code: 2adj:

Calcium binding site 1 out of 1 in the Crystal Structure of Monoclonal Anti-CD4 Antibody Q425 in Complex with Calcium


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 Monoclonal Anti-CD4 Antibody Q425 in Complex with Calcium within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca3000 b:0.4 occ:1.00 O A:SER91 2.7 71.7 1.0 OE2 A:GLU50 2.8 76.3 1.0 OD1 B:ASN100A 2.8 85.1 1.0 OD1 A:ASP32 3.2 69.0 1.0 OE1 A:GLU50 3.3 74.7 1.0 CD A:GLU50 3.3 74.7 1.0 C A:SER91 3.8 70.9 1.0 CG B:ASN100A 3.9 82.3 1.0 CG A:ASP32 4.0 69.8 1.0 CB A:SER91 4.3 65.2 1.0 CA A:ASP92 4.4 76.7 1.0 OG A:SER91 4.5 62.7 1.0 ND2 B:ASN100A 4.6 85.0 1.0 N A:ASP92 4.6 73.4 1.0 CB A:ASP32 4.6 68.0 1.0 OD2 A:ASP32 4.6 71.6 1.0 CG A:GLU50 4.6 72.4 1.0 CA B:ASN100A 4.6 76.5 1.0 CZ3 B:TRP100 4.7 83.5 1.0 CA A:SER91 4.8 67.9 1.0 CB B:ASN100A 4.9 78.8 1.0

T.Zhou, D.H.Hamer, W.A.Hendrickson, Q.J.Sattentau, P.D.Kwong. Interfacial Metal and Antibody Recognition. Proc.Natl.Acad.Sci.Usa V. 102 14575 2005.
ISSN: ISSN 0027-8424
PubMed: 16195378
DOI: 10.1073/PNAS.0507267102