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

The structure of Crystal Structure of Surfactant Protein-A Dedn Mutant (E171D/P175E/R197N/K203D) Complexed with Mannose, PDB code: 4wrf 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)	14.93 / 1.90
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	69.157, 69.157, 169.566, 90.00, 90.00, 120.00
R / Rfree (%)	19.8 / 24.4

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

Calcium

(Ca)

3 atoms

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

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


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) Complexed with Mannose within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl406 b:33.0 occ:1.00 O A:HOH576 3.0 37.6 1.0 NE2 A:GLN220 3.3 35.2 1.0 N A:LEU219 3.4 32.1 1.0 C A:GLY217 3.5 29.5 1.0 CA A:GLY217 3.5 31.7 1.0 CB A:LEU219 3.7 37.5 1.0 N A:CYS218 3.8 29.8 1.0 CA A:LEU219 3.9 33.8 1.0 O A:GLY217 3.9 28.4 1.0 CG A:GLN220 3.9 32.0 1.0 N A:GLN220 4.0 31.9 1.0 CD A:GLN220 4.1 34.3 1.0 C A:LEU219 4.1 32.9 1.0 N A:GLY217 4.3 30.0 1.0 CG A:LEU219 4.4 40.6 1.0 C A:CYS218 4.5 31.4 1.0 O A:HOH552 4.6 51.9 1.0 CA A:CYS218 4.7 30.8 1.0 OH A:TYR166 4.8 28.1 1.0 O A:HOH535 4.8 28.8 1.0 CD1 A:LEU219 4.8 44.1 1.0 CA A:GLN220 4.9 32.1 1.0 CB A:GLN220 4.9 30.6 1.0 O A:HOH587 4.9 44.7 1.0 O A:LEU219 4.9 34.9 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.