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Calcium in PDB 3g6j: C3B in Complex with A C3B Specific Fab

Protein crystallography data

The structure of C3B in Complex with A C3B Specific Fab, PDB code: 3g6j was solved by C.Wiesmann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 3.10
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 216.436, 180.417, 154.584, 90.00, 115.73, 90.00
R / Rfree (%) 21.4 / 28.2

Calcium Binding Sites:

The binding sites of Calcium atom in the C3B in Complex with A C3B Specific Fab (pdb code 3g6j). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the C3B in Complex with A C3B Specific Fab, PDB code: 3g6j:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 3g6j

Go back to Calcium Binding Sites List in 3g6j
Calcium binding site 1 out of 2 in the C3B in Complex with A C3B Specific Fab


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of C3B in Complex with A C3B Specific Fab within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca645

b:47.8
occ:1.00
OD1 A:ASP532 2.1 33.5 1.0
OD1 A:ASP535 2.2 38.9 1.0
O A:VAL533 2.2 35.6 1.0
O A:PRO505 2.6 23.7 1.0
CG A:ASP535 3.0 38.1 1.0
CG A:ASP532 3.1 33.7 1.0
C A:VAL533 3.3 36.8 1.0
OD2 A:ASP535 3.4 41.2 1.0
OD2 A:ASP532 3.4 36.0 1.0
C A:PRO505 3.5 24.9 1.0
N A:VAL533 3.5 34.8 1.0
CA A:VAL533 4.0 36.7 1.0
OE1 A:GLU599 4.1 36.7 1.0
CA A:PRO505 4.2 22.7 1.0
N A:ASP535 4.2 33.4 1.0
CB A:PRO505 4.2 21.6 1.0
CB A:ASP535 4.3 35.4 1.0
CB A:ASP532 4.3 33.7 1.0
N A:LYS534 4.4 37.6 1.0
C A:ASP532 4.4 32.9 1.0
CB A:SER506 4.5 26.9 1.0
N A:SER506 4.5 26.2 1.0
CA A:ASP532 4.5 33.0 1.0
C A:LYS534 4.5 36.3 1.0
CA A:ASP535 4.6 33.5 1.0
CA A:LYS534 4.7 38.1 1.0
CB A:VAL533 4.8 37.5 1.0
CA A:SER506 4.8 25.7 1.0

Calcium binding site 2 out of 2 in 3g6j

Go back to Calcium Binding Sites List in 3g6j
Calcium binding site 2 out of 2 in the C3B in Complex with A C3B Specific Fab


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of C3B in Complex with A C3B Specific Fab within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Ca645

b:54.8
occ:1.00
OD1 C:ASP535 2.1 35.5 1.0
OD1 C:ASP532 2.3 30.9 1.0
O C:PRO505 2.3 21.3 1.0
O C:VAL533 2.7 32.2 1.0
CG C:ASP535 3.0 33.1 1.0
C C:PRO505 3.3 20.4 1.0
OD2 C:ASP535 3.3 34.2 1.0
CG C:ASP532 3.3 30.6 1.0
OD2 C:ASP532 3.7 30.3 1.0
CB C:PRO505 3.9 20.1 1.0
C C:VAL533 3.9 30.9 1.0
N C:VAL533 3.9 26.5 1.0
CA C:PRO505 3.9 20.4 1.0
OE2 C:GLU599 4.1 51.7 1.0
CB C:SER506 4.1 15.7 1.0
N C:SER506 4.2 18.6 1.0
CB C:ASP535 4.4 30.8 1.0
N C:ASP535 4.5 31.7 1.0
CA C:VAL533 4.5 26.6 1.0
CB C:ASP532 4.6 30.1 1.0
CA C:SER506 4.6 17.7 1.0
CA C:ASP532 4.7 29.0 1.0
CA C:ASP535 4.7 29.1 1.0
C C:ASP532 4.7 27.2 1.0
OG C:SER506 4.9 12.4 1.0
N C:LYS534 5.0 33.4 1.0

Reference:

K.J.Katschke, S.Stawicki, J.Yin, M.Steffek, H.Xi, L.Sturgeon, P.E.Hass, K.M.Loyet, L.Deforge, Y.Wu, M.Van Lookeren Campagne, C.Wiesmann. Structural and Functional Analysis of A C3B-Specific Antibody That Selectively Inhibits the Alternative Pathway of Complement J.Biol.Chem. V. 284 10473 2009.
ISSN: ISSN 0021-9258
PubMed: 19196712
DOI: 10.1074/JBC.M809106200
Page generated: Tue Jul 8 12:37:25 2025

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