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Chlorine in PDB 8izh: Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution

Enzymatic activity of Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution

All present enzymatic activity of Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution:
3.4.21.4;

Protein crystallography data

The structure of Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution, PDB code: 8izh was solved by M.S.Ahmad, N.Kalam, Z.Akbar, S.Rasheed, M.I.Choudhary, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 18.64 / 2.30
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 54.59, 58.248, 66.326, 90, 90, 90
R / Rfree (%) 21.2 / 29.5

Other elements in 8izh:

The structure of Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution also contains other interesting chemical elements:

Calcium (Ca) 1 atom

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution (pdb code 8izh). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution, PDB code: 8izh:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in 8izh

Go back to Chlorine Binding Sites List in 8izh
Chlorine binding site 1 out of 2 in the Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution


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 Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl302

b:30.4
occ:1.00
N A:THR21 3.2 6.3 1.0
OG1 A:THR21 3.5 5.9 1.0
CB A:THR21 3.7 6.1 1.0
CA A:TYR20 3.8 6.3 1.0
C A:TYR20 4.0 6.3 1.0
CA A:THR21 4.0 6.1 1.0
CB A:TYR20 4.1 6.2 1.0
O A:HOH528 4.5 14.1 1.0
NZ A:LYS156 4.5 7.1 1.0
O A:THR21 4.8 6.2 1.0
C A:THR21 5.0 6.0 1.0

Chlorine binding site 2 out of 2 in 8izh

Go back to Chlorine Binding Sites List in 8izh
Chlorine binding site 2 out of 2 in the Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Crystal Structure of Trypsin-Aminoguanidine Complex at 2.30 Angstroms Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl303

b:35.8
occ:1.00
CA A:TRP237 3.8 8.7 1.0
N A:TRP237 3.8 8.5 1.0
CB A:SER236 3.9 8.7 1.0
C A:SER236 4.0 8.5 1.0
O A:SER236 4.2 8.6 1.0
CB A:TRP237 4.3 8.2 1.0
CG A:GLN240 4.4 20.3 1.0
O A:HOH497 4.4 4.8 1.0
CA A:SER236 4.6 8.4 1.0
CB A:GLN240 4.6 17.6 1.0
OG A:SER236 5.0 9.0 1.0

Reference:

M.S.Ahmad, N.Kalam, Z.Akbar, N.Shah, S.Rasheed, M.I.Choudhary. Structural Basis For the Binding of Famotidine, Cimetidine, Guanidine, and Pimagedine with Serine Protease. Biochem.Biophys.Res.Commun. V. 733 50603 2024.
ISSN: ESSN 1090-2104
PubMed: 39216203
DOI: 10.1016/J.BBRC.2024.150603
Page generated: Sun Jul 13 12:32:10 2025

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