Chlorine in PDB 4wrc: Crystal Structure of Surfactant Protein-A Dedn Mutant (E171D/P175E/R197N/K203D)

The structure of Crystal Structure of Surfactant Protein-A Dedn Mutant (E171D/P175E/R197N/K203D), PDB code: 4wrc was solved by M.J.Rynkiewicz, H.Wu, T.R.Cafarella, N.M.Nikolaidis, J.F.Head, B.A.Seaton, F.X.Mccormack, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	13.64 / 1.80
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	68.774, 68.774, 168.852, 90.00, 90.00, 120.00
R / Rfree (%)	20.5 / 24.3

The structure of Crystal Structure of Surfactant Protein-A Dedn Mutant (E171D/P175E/R197N/K203D) also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

The binding sites of Chlorine atom in the Crystal Structure of Surfactant Protein-A Dedn Mutant (E171D/P175E/R197N/K203D) (pdb code 4wrc). 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 Surfactant Protein-A Dedn Mutant (E171D/P175E/R197N/K203D), PDB code: 4wrc:

Chlorine binding site 1 out of 1 in the Crystal Structure of Surfactant Protein-A Dedn Mutant (E171D/P175E/R197N/K203D)


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 Surfactant Protein-A Dedn Mutant (E171D/P175E/R197N/K203D) within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl504 b:30.4 occ:1.00 O A:HOH683 2.8 39.1 1.0 O A:HOH662 2.8 48.1 1.0 N A:LEU219 3.3 33.7 1.0 NE2 A:GLN220 3.4 36.3 1.0 CA A:GLY217 3.5 37.3 1.0 C A:GLY217 3.5 30.1 1.0 CB A:LEU219 3.7 34.1 1.0 N A:CYS218 3.7 29.9 1.0 CA A:LEU219 3.9 34.4 1.0 N A:GLN220 3.9 30.2 1.0 O A:GLY217 3.9 28.9 1.0 CG A:GLN220 4.0 34.5 1.0 C A:LEU219 4.1 33.5 1.0 CD A:GLN220 4.2 36.4 1.0 N A:GLY217 4.3 32.4 1.0 CG A:LEU219 4.4 43.8 1.0 C A:CYS218 4.4 32.8 1.0 CA A:CYS218 4.6 32.4 1.0 OH A:TYR166 4.7 27.4 1.0 CA A:GLN220 4.8 31.3 1.0 CD1 A:LEU219 4.9 46.4 1.0 CB A:GLN220 4.9 29.8 1.0 O A:LEU219 5.0 32.3 1.0

M.J.Rynkiewicz, H.Wu, T.R.Cafarella, N.M.Nikolaidis, J.F.Head, B.A.Seaton, F.X.Mccormack. Differential Ligand Binding Specificities of the Pulmonary Collectins Are Determined By the Conformational Freedom of A Surface Loop To Be Published.