Chlorine in PDB 2r61: Crystal Structure of the Staphylococcal Superantigen-Like Protein SSL5 in Complex with Sialyl-Lewis X at pH 7.4

The structure of Crystal Structure of the Staphylococcal Superantigen-Like Protein SSL5 in Complex with Sialyl-Lewis X at pH 7.4, PDB code: 2r61 was solved by H.M.Baker, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	35.07 / 2.75
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	52.223, 52.223, 236.657, 90.00, 90.00, 90.00
R / Rfree (%)	20.9 / 26.9

The binding sites of Chlorine atom in the Crystal Structure of the Staphylococcal Superantigen-Like Protein SSL5 in Complex with Sialyl-Lewis X at pH 7.4 (pdb code 2r61). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Crystal Structure of the Staphylococcal Superantigen-Like Protein SSL5 in Complex with Sialyl-Lewis X at pH 7.4, PDB code: 2r61:

Chlorine binding site 1 out of 1 in the Crystal Structure of the Staphylococcal Superantigen-Like Protein SSL5 in Complex with Sialyl-Lewis X at pH 7.4


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Crystal Structure of the Staphylococcal Superantigen-Like Protein SSL5 in Complex with Sialyl-Lewis X at pH 7.4 within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl205 b:71.1 occ:1.00 NH2 A:ARG127 3.0 17.6 1.0 NZ A:LYS110 3.5 22.8 1.0 CZ A:ARG127 4.1 17.4 1.0 CE A:LYS110 4.3 21.7 1.0 NE A:ARG127 4.5 16.4 1.0 CD A:LYS110 4.9 19.8 1.0

H.M.Baker, I.Basu, M.C.Chung, T.Caradoc-Davies, J.D.Fraser, E.N.Baker. Crystal Structures of the Staphylococcal Toxin SSL5 in Complex with Sialyl Lewis X Reveal A Conserved Binding Site That Shares Common Features with Viral and Bacterial Sialic Acid Binding Proteins J.Mol.Biol. V. 374 1298 2007.
ISSN: ISSN 0022-2836
PubMed: 17996251
DOI: 10.1016/J.JMB.2007.09.091