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Calcium in PDB 1q8s: Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man

Protein crystallography data

The structure of Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man, PDB code: 1q8s was solved by R.Loris, I.Van Walle, H.De Greve, S.Beeckmans, F.Deboeck, L.Wyns, J.Bouckaert, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 17.65 / 2.05
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 56.880, 83.380, 122.570, 90.00, 90.00, 90.00
R / Rfree (%) 18.2 / 21.6

Other elements in 1q8s:

The structure of Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man also contains other interesting chemical elements:

Manganese (Mn) 2 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man (pdb code 1q8s). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man, PDB code: 1q8s:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 1q8s

Go back to Calcium Binding Sites List in 1q8s
Calcium binding site 1 out of 2 in the Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca272

b:18.0
occ:1.00
O A:HOH273 2.3 15.9 1.0
OD2 A:ASP141 2.3 22.7 1.0
OD1 A:ASN138 2.3 23.0 1.0
O A:PHE132 2.4 19.1 1.0
O A:HOH274 2.5 19.8 1.0
OD1 A:ASP130 2.5 20.8 1.0
OD2 A:ASP130 2.5 17.6 1.0
CG A:ASP130 2.8 23.2 1.0
CG A:ASN138 3.4 26.0 1.0
CG A:ASP141 3.5 15.1 1.0
C A:PHE132 3.6 23.3 1.0
CB A:ASN138 4.0 17.7 1.0
OD1 A:ASP141 4.1 23.2 1.0
MN A:MN271 4.2 21.1 1.0
CB A:ASP130 4.3 20.8 1.0
NE1 A:TRP140 4.4 20.0 1.0
CA A:PHE132 4.4 22.8 1.0
N A:PHE132 4.5 24.1 1.0
ND2 A:ASN138 4.5 29.4 1.0
N A:TYR133 4.5 21.2 1.0
CB A:PHE132 4.6 22.8 1.0
CA A:TYR133 4.6 20.2 1.0
CA A:GLY106 4.6 19.1 1.0
O A:GLY106 4.6 23.6 1.0
CB A:ASP141 4.7 16.7 1.0
OD1 A:ASP86 4.7 24.5 1.0
O A:HOH275 4.7 20.2 1.0
O A:ASP86 4.7 19.1 1.0
CE1 A:HIS146 5.0 14.9 1.0

Calcium binding site 2 out of 2 in 1q8s

Go back to Calcium Binding Sites List in 1q8s
Calcium binding site 2 out of 2 in the Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Pterocarpus Angolensis Lectin (Pal) in Complex with the Dimannoside Man(ALPHA1-6)Man within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca274

b:18.5
occ:1.00
OD2 B:ASP141 2.3 21.5 1.0
O B:PHE132 2.4 21.2 1.0
O B:HOH278 2.4 20.9 1.0
OD2 B:ASP130 2.4 15.4 1.0
O B:HOH277 2.4 19.4 1.0
OD1 B:ASP130 2.5 19.4 1.0
OD1 B:ASN138 2.5 25.0 1.0
CG B:ASP130 2.8 15.4 1.0
CG B:ASP141 3.4 14.9 1.0
CG B:ASN138 3.5 28.1 1.0
C B:PHE132 3.6 24.3 1.0
OD1 B:ASP141 3.9 19.7 1.0
CB B:ASN138 4.0 27.1 1.0
MN B:MN273 4.1 19.1 1.0
CB B:ASP130 4.3 23.5 1.0
NE1 B:TRP140 4.4 22.7 1.0
CA B:PHE132 4.4 18.9 1.0
O B:HOH275 4.5 15.8 1.0
N B:PHE132 4.5 17.0 1.0
N B:TYR133 4.5 25.9 1.0
O B:GLY106 4.6 22.7 1.0
CB B:PHE132 4.6 18.1 1.0
CA B:TYR133 4.6 26.7 1.0
CB B:ASP141 4.6 19.2 1.0
O B:ASP86 4.7 18.0 1.0
CA B:GLY106 4.7 20.2 1.0
ND2 B:ASN138 4.7 22.4 1.0
CE1 B:HIS146 4.9 20.9 1.0
OD1 B:ASP86 4.9 22.1 1.0

Reference:

R.Loris, I.Van Walle, H.De Greve, S.Beeckmans, F.Deboeck, L.Wyns, J.Bouckaert. Structural Basis of Oligomannose Recognition By the Pterocarpus Angolensis Seed Lectin J.Mol.Biol. V. 335 1227 2004.
ISSN: ISSN 0022-2836
PubMed: 14729339
DOI: 10.1016/J.JMB.2003.11.043
Page generated: Thu Jul 11 14:08:49 2024

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