Chlorine in PDB 1xv8: Crystal Structure of Human Salivary Alpha-Amylase Dimer

All present enzymatic activity of Crystal Structure of Human Salivary Alpha-Amylase Dimer:
3.2.1.1;

The structure of Crystal Structure of Human Salivary Alpha-Amylase Dimer, PDB code: 1xv8 was solved by S.Z.Fisher, L.Govindasamy, C.K.Tu, D.N.Silverman, H.Rajaniemi, R.Mckenna, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 3.00
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	150.812, 72.270, 91.106, 90.00, 102.80, 90.00
R / Rfree (%)	22.8 / 27.1

The structure of Crystal Structure of Human Salivary Alpha-Amylase Dimer also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

The binding sites of Chlorine atom in the Crystal Structure of Human Salivary Alpha-Amylase Dimer (pdb code 1xv8). 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 Human Salivary Alpha-Amylase Dimer, PDB code: 1xv8:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in the Crystal Structure of Human Salivary Alpha-Amylase Dimer


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 Human Salivary Alpha-Amylase Dimer within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl498 b:16.7 occ:1.00 NH2 A:ARG337 3.2 18.2 1.0 NH1 A:ARG337 3.2 17.5 1.0 ND2 A:ASN298 3.3 18.5 1.0 NE A:ARG195 3.5 13.2 1.0 NH2 A:ARG195 3.6 7.5 1.0 CZ A:ARG337 3.6 17.8 1.0 CZ A:ARG195 4.0 11.4 1.0 CG2 A:THR254 4.1 9.5 1.0 CB A:ASN298 4.1 19.3 1.0 CG A:ASN298 4.2 19.9 1.0 CZ A:PHE256 4.3 12.9 1.0 CG A:GLU233 4.4 23.8 1.0 CD A:ARG195 4.6 13.5 1.0 CZ A:PHE295 4.8 12.1 1.0 CB A:GLU233 4.8 21.9 1.0 ND1 A:HIS299 4.8 22.3 1.0 CE1 A:HIS299 4.9 22.7 1.0 CG A:ARG195 4.9 12.1 1.0 CE1 A:PHE256 4.9 11.8 1.0 CB A:THR254 4.9 12.1 1.0 NE A:ARG337 5.0 17.2 1.0 CE1 A:PHE295 5.0 11.7 1.0

Chlorine binding site 2 out of 2 in the Crystal Structure of Human Salivary Alpha-Amylase Dimer


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 Human Salivary Alpha-Amylase Dimer within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl498 b:16.7 occ:1.00 NH2 B:ARG337 3.2 18.2 1.0 NH1 B:ARG337 3.2 17.5 1.0 ND2 B:ASN298 3.3 18.5 1.0 NE B:ARG195 3.5 13.2 1.0 NH2 B:ARG195 3.6 7.5 1.0 CZ B:ARG337 3.6 17.8 1.0 CZ B:ARG195 4.0 11.4 1.0 CG2 B:THR254 4.1 9.5 1.0 CB B:ASN298 4.1 19.3 1.0 CG B:ASN298 4.2 19.9 1.0 CZ B:PHE256 4.3 12.9 1.0 CG B:GLU233 4.4 23.8 1.0 CD B:ARG195 4.6 13.5 1.0 CZ B:PHE295 4.8 12.1 1.0 CB B:GLU233 4.8 21.9 1.0 ND1 B:HIS299 4.8 22.3 1.0 CE1 B:HIS299 4.9 22.7 1.0 CG B:ARG195 4.9 12.1 1.0 CE1 B:PHE256 4.9 11.8 1.0 CB B:THR254 4.9 12.1 1.0 NE B:ARG337 5.0 17.2 1.0 CE1 B:PHE295 5.0 11.7 1.0

S.Z.Fisher, L.Govindasamy, C.K.Tu, D.N.Silverman, H.Rajaniemi, R.Mckenna. Crystal Structure of Human Salivary Alpha-Amylase Dimer To Be Published.