Chlorine in PDB 1n2z: 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli

The structure of 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli, PDB code: 1n2z was solved by E.L.Borths, K.P.Locher, A.T.Lee, D.C.Rees, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.00
Space group	P 65
Cell size a, b, c (Å), α, β, γ (°)	133.066, 133.066, 67.687, 90.00, 90.00, 120.00
R / Rfree (%)	18.9 / 21

The structure of 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli also contains other interesting chemical elements:

Cadmium	(Cd)	22 atoms
Cobalt	(Co)	2 atoms

The binding sites of Chlorine atom in the 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli (pdb code 1n2z). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 6 binding sites of Chlorine where determined in the 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli, PDB code: 1n2z:
Jump to Chlorine binding site number: 1; 2; 3; 4; 5; 6;

Chlorine binding site 1 out of 6 in the 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl426 b:22.3 occ:0.88 CD A:CD402 2.5 28.2 0.5 CO A:CNC400 2.7 23.6 1.0 O A:HOH621 2.8 68.3 1.0 N22 A:CNC400 3.1 16.3 1.0 N23 A:CNC400 3.3 16.1 1.0 CL A:CL427 3.3 33.0 0.6 N21 A:CNC400 3.3 16.3 1.0 OE2 A:GLU245 3.4 33.0 1.0 N24 A:CNC400 3.4 19.2 1.0 C9 A:CNC400 3.7 15.8 1.0 C6 A:CNC400 3.7 16.6 1.0 OE1 A:GLU245 3.7 36.0 1.0 C19 A:CNC400 3.7 18.7 1.0 CD A:GLU245 3.8 26.8 1.0 C11 A:CNC400 3.8 17.9 1.0 C4 A:CNC400 3.9 19.3 1.0 C10 A:CNC400 3.9 12.4 1.0 C5 A:CNC400 4.0 13.0 1.0 O A:HOH459 4.0 37.0 1.0 C1 A:CNC400 4.2 19.0 1.0 C14 A:CNC400 4.2 16.8 1.0 C16 A:CNC400 4.2 19.2 1.0 C26 A:CNC400 4.3 23.0 1.0 C37 A:CNC400 4.4 20.2 1.0 C46 A:CNC400 4.5 15.9 1.0 O A:HOH607 4.6 46.6 1.0 C15 A:CNC400 4.6 19.6 1.0 C7 A:CNC400 4.6 17.7 1.0 C8 A:CNC400 4.7 16.7 1.0 C2 A:CNC400 4.8 20.3 1.0 C12 A:CNC400 4.8 15.7 1.0 CL A:CL429 4.9 32.4 0.2 C54 A:CNC400 4.9 19.9 1.0 CG A:GLU245 5.0 20.2 1.0

Chlorine binding site 2 out of 6 in the 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl427 b:33.0 occ:0.64 CD A:CD402 2.7 28.2 0.5 CL A:CL429 3.1 32.4 0.2 O28 A:CNC400 3.3 37.5 1.0 CL A:CL426 3.3 22.3 0.9 C5 A:CNC400 3.5 13.0 1.0 C35 A:CNC400 3.7 15.5 1.0 C26 A:CNC400 3.7 23.0 1.0 C37 A:CNC400 3.8 20.2 1.0 C4 A:CNC400 3.8 19.3 1.0 O A:HOH443 3.9 33.5 1.0 C6 A:CNC400 3.9 16.6 1.0 C27 A:CNC400 3.9 30.7 1.0 OE1 A:GLU245 4.1 36.0 1.0 C3 A:CNC400 4.2 19.2 1.0 N21 A:CNC400 4.3 16.3 1.0 O A:HOH459 4.5 37.0 1.0 N22 A:CNC400 4.5 16.3 1.0 C7 A:CNC400 4.6 17.7 1.0 C2 A:CNC400 4.6 20.3 1.0 N40 A:CNC400 4.9 17.9 1.0 C38 A:CNC400 4.9 18.2 1.0 O A:HOH607 4.9 46.6 1.0 CD A:GLU245 4.9 26.8 1.0 OE2 A:GLU245 4.9 33.0 1.0 CO A:CNC400 5.0 23.6 1.0

Chlorine binding site 3 out of 6 in the 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl428 b:32.6 occ:0.66 CD A:CD404 2.7 28.2 0.4 O A:GLN161 3.0 23.7 1.0 N A:THR215 3.3 20.9 1.0 OG1 A:THR215 3.5 29.3 1.0 CB A:ILE214 3.6 20.4 1.0 N A:GLY163 3.6 32.5 1.0 O A:HOH459 3.7 37.0 1.0 CA A:ILE214 3.8 19.3 1.0 O A:THR215 3.9 29.8 1.0 C A:GLN161 3.9 24.4 1.0 CA A:PHE162 3.9 26.3 1.0 C A:ILE214 4.1 19.7 1.0 CG2 A:ILE214 4.3 20.4 1.0 CA A:THR215 4.3 24.3 1.0 C A:PHE162 4.3 29.2 1.0 N A:PHE162 4.3 23.2 1.0 CB A:THR215 4.5 26.5 1.0 C A:THR215 4.5 27.9 1.0 O A:HOH515 4.6 48.6 1.0 CA A:GLY163 4.7 39.9 1.0 CG1 A:ILE214 4.8 22.6 1.0 CG A:GLN161 4.8 24.7 1.0 CD1 A:ILE224 4.8 32.8 1.0 O A:GLY163 4.9 41.3 1.0

Chlorine binding site 4 out of 6 in the 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 4 of 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl429 b:32.4 occ:0.25 O A:HOH459 2.9 37.0 1.0 O A:HOH515 3.1 48.6 1.0 CL A:CL427 3.1 33.0 0.6 O A:HOH443 3.2 33.5 1.0 CD A:CD402 3.2 28.2 0.5 CD A:CD404 3.6 28.2 0.4 O A:HOH607 3.7 46.6 1.0 O28 A:CNC400 3.8 37.5 1.0 C27 A:CNC400 4.3 30.7 1.0 C26 A:CNC400 4.6 23.0 1.0 CL A:CL426 4.9 22.3 0.9 O A:HOH621 5.0 68.3 1.0

Chlorine binding site 5 out of 6 in the 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 5 of 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl424 b:22.0 occ:0.83 CD B:CD406 2.5 28.2 0.4 CO B:CNC401 2.6 25.9 1.0 N22 B:CNC401 3.0 16.7 1.0 N23 B:CNC401 3.2 17.5 1.0 O B:HOH430 3.2 28.9 1.0 OE1 B:GLU245 3.3 32.0 1.0 N21 B:CNC401 3.3 22.2 1.0 N24 B:CNC401 3.4 20.1 1.0 OE2 B:GLU245 3.4 32.4 1.0 CD B:GLU245 3.6 24.7 1.0 C9 B:CNC401 3.6 16.5 1.0 C6 B:CNC401 3.7 21.1 1.0 C19 B:CNC401 3.7 22.9 1.0 C11 B:CNC401 3.7 18.8 1.0 O B:HOH481 3.8 42.3 1.0 C4 B:CNC401 3.9 23.0 1.0 C10 B:CNC401 3.9 15.5 1.0 O B:HOH522 4.0 83.5 1.0 C5 B:CNC401 4.0 19.7 1.0 C14 B:CNC401 4.1 18.5 1.0 C1 B:CNC401 4.2 20.6 1.0 C16 B:CNC401 4.2 20.6 1.0 C37 B:CNC401 4.4 20.7 1.0 C26 B:CNC401 4.5 31.7 1.0 C46 B:CNC401 4.5 19.5 1.0 C15 B:CNC401 4.5 18.5 1.0 C7 B:CNC401 4.6 19.3 1.0 C8 B:CNC401 4.7 18.3 1.0 C12 B:CNC401 4.8 17.8 1.0 CG B:GLU245 4.8 21.3 1.0 C2 B:CNC401 4.8 24.9 1.0 C54 B:CNC401 4.9 22.8 1.0 C3 B:CNC401 5.0 25.7 1.0 N3B B:CNC401 5.0 22.8 1.0

Chlorine binding site 6 out of 6 in the 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 6 of 2.0 Angstrom Structure of Btuf, the Vitamin B12 Binding Protein of E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl425 b:22.0 occ:0.79 CD B:CD407 2.6 28.2 1.0 NH2 B:ARG246 3.2 15.8 1.0 CD2 B:TYR50 3.4 29.7 1.0 OD2 B:ASP52 3.8 29.2 1.0 OD1 B:ASP242 3.8 14.6 1.0 O B:HOH426 3.9 15.0 1.0 N40 B:CNC401 4.0 21.0 1.0 OD1 B:ASP52 4.1 23.6 1.0 CG B:ASP52 4.1 26.3 1.0 CB B:TYR50 4.1 22.4 1.0 O B:TYR50 4.2 17.8 1.0 CG B:TYR50 4.2 28.8 1.0 CE2 B:TYR50 4.3 32.8 1.0 CZ B:ARG246 4.4 14.9 1.0 C38 B:CNC401 4.4 23.6 1.0 CA B:TYR50 4.6 22.6 1.0 O B:HOH530 4.7 35.9 1.0 CG B:ASP242 4.7 18.8 1.0 OD2 B:ASP242 4.8 22.4 1.0 C36 B:CNC401 4.8 18.5 1.0 C B:TYR50 4.8 20.4 1.0 O39 B:CNC401 4.9 25.2 1.0

E.L.Borths, K.P.Locher, A.T.Lee, D.C.Rees. The Structure of Escherichia Coli Btuf and Binding to Its Cognate Atp Binding Cassette Transporter Proc.Natl.Acad.Sci.Usa V. 99 16642 2002.
ISSN: ISSN 0027-8424
PubMed: 12475936
DOI: 10.1073/PNAS.262659699