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Calcium in PDB 1kxh: Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose

Enzymatic activity of Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose

All present enzymatic activity of Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose:
3.2.1.1;

Protein crystallography data

The structure of Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose, PDB code: 1kxh was solved by N.Aghajari, R.Haser, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 27.70 / 2.30
Space group C 2 2 21
Cell size a, b, c (Å), α, β, γ (°) 71.100, 139.900, 115.300, 90.00, 90.00, 90.00
R / Rfree (%) 13.8 / 18.8

Other elements in 1kxh:

The structure of Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose (pdb code 1kxh). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose, PDB code: 1kxh:

Calcium binding site 1 out of 1 in 1kxh

Go back to Calcium Binding Sites List in 1kxh
Calcium binding site 1 out of 1 in the Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of the Complex Between An Inactive Mutant of Psychrophilic Alpha-Amylase (D174N) and Acarbose within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca800

b:15.2
occ:1.00
 OD1 A:ASN88 2.4 11.8 1.0
O A:HOH1108 2.4 11.6 1.0
O A:HIS178 2.5 11.7 1.0
O A:HOH1091 2.5 8.5 1.0
O A:GLN135 2.6 17.9 1.0
O A:HOH1107 2.6 12.5 1.0
OD2 A:ASP144 2.6 7.4 1.0
OD1 A:ASP144 2.7 11.8 1.0
CG A:ASP144 3.0 14.6 1.0
C A:GLN135 3.5 16.9 1.0
CG A:ASN88 3.5 13.1 1.0
C A:HIS178 3.6 10.8 1.0
ND2 A:ASN88 4.1 12.7 1.0
CA A:GLN135 4.1 15.2 1.0
CB A:HIS178 4.3 7.8 1.0
CE1 A:HIS117 4.4 15.2 1.0
O A:ASN88 4.4 11.6 1.0
N A:ASN136 4.4 16.2 1.0
CA A:HIS178 4.5 9.9 1.0
ND1 A:HIS117 4.5 17.0 1.0
CB A:ASP144 4.5 11.2 1.0
CG2 A:VAL179 4.5 8.9 1.0
N A:VAL179 4.6 10.5 1.0
CA A:ASN136 4.6 16.0 1.0
CA A:VAL179 4.6 10.3 1.0
O A:LEU145 4.6 14.2 1.0
CB A:ASN88 4.7 7.7 1.0
O A:HOH1144 4.8 16.7 1.0
O A:CYS137 4.8 17.4 1.0
O A:VAL134 4.8 15.2 1.0
CB A:GLN135 4.9 14.8 1.0

Reference:

N.Aghajari, M.Roth, R.Haser. Crystallographic Evidence of A Transglycosylation Reaction: Ternary Complexes of A Psychrophilic Alpha-Amylase. Biochemistry V. 41 4273.
ISSN: ISSN 0006-2960
PubMed: 11914073
DOI: 10.1021/BI0160516
Page generated: Thu Jul 11 11:37:24 2024

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