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Sodium in PDB 6cqj: Crystal Structure of DR1 Presenting the RQ13 Peptide

Protein crystallography data

The structure of Crystal Structure of DR1 Presenting the RQ13 Peptide, PDB code: 6cqj was solved by C.Farenc, S.Gras, J.Rossjohn, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 47.96 / 2.75
Space group P 1
Cell size a, b, c (Å), α, β, γ (°) 68.684, 82.017, 83.050, 61.56, 88.20, 86.47
R / Rfree (%) 19.7 / 24.9

Sodium Binding Sites:

The binding sites of Sodium atom in the Crystal Structure of DR1 Presenting the RQ13 Peptide (pdb code 6cqj). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 2 binding sites of Sodium where determined in the Crystal Structure of DR1 Presenting the RQ13 Peptide, PDB code: 6cqj:
Jump to Sodium binding site number: 1; 2;

Sodium binding site 1 out of 2 in 6cqj

Go back to Sodium Binding Sites List in 6cqj
Sodium binding site 1 out of 2 in the Crystal Structure of DR1 Presenting the RQ13 Peptide


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Crystal Structure of DR1 Presenting the RQ13 Peptide within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Na201

b:58.8
occ:1.00
CE2 D:TYR79 4.0 50.0 1.0
CZ D:TYR79 4.1 59.9 1.0
CD2 D:TYR79 4.2 49.5 1.0
CE1 D:TYR79 4.3 52.4 1.0
CG D:TYR79 4.4 50.0 1.0
CD1 D:TYR79 4.5 51.8 1.0
OH D:TYR79 4.6 62.8 1.0

Sodium binding site 2 out of 2 in 6cqj

Go back to Sodium Binding Sites List in 6cqj
Sodium binding site 2 out of 2 in the Crystal Structure of DR1 Presenting the RQ13 Peptide


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of Crystal Structure of DR1 Presenting the RQ13 Peptide within 5.0Å range:
probe atom residue distance (Å) B Occ
G:Na202

b:59.2
occ:1.00
NE1 G:TRP43 3.6 42.3 1.0
N G:PHE54 3.8 34.7 1.0
CZ2 G:TRP43 4.0 42.8 1.0
O G:PHE54 4.1 39.9 1.0
CA G:SER53 4.1 35.2 1.0
CE2 G:TRP43 4.1 43.6 1.0
CB G:SER53 4.4 38.9 1.0
C G:SER53 4.5 38.5 1.0
CB G:THR41 4.6 37.7 1.0
CA G:PHE54 4.8 32.7 1.0
O G:ALA52 4.8 41.8 1.0
CG2 G:THR41 4.8 35.2 1.0
CD1 G:TRP43 4.8 42.5 1.0
OG G:SER53 4.9 49.2 1.0
C G:PHE54 4.9 39.9 1.0

Reference:

M.Galperin, C.Farenc, M.Mukhopadhyay, D.Jayasinghe, A.Decroos, D.Benati, L.L.Tan, L.Ciacchi, H.H.Reid, J.Rossjohn, L.A.Chakrabarti, S.Gras. CD4+T Cell-Mediated Hla Class II Cross-Restriction in Hiv Controllers. Sci Immunol V. 3 2018.
ISSN: ESSN 2470-9468
PubMed: 29884618
DOI: 10.1126/SCIIMMUNOL.AAT0687
Page generated: Tue Oct 8 06:40:00 2024

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