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Calcium in PDB 6xsv: X-Ray Structure of A Tetragonal Crystal Form of Alpha Amylase From Aspergillus Oryzae (Tala-Amylase) at 1.65 A Resolution

Enzymatic activity of X-Ray Structure of A Tetragonal Crystal Form of Alpha Amylase From Aspergillus Oryzae (Tala-Amylase) at 1.65 A Resolution

All present enzymatic activity of X-Ray Structure of A Tetragonal Crystal Form of Alpha Amylase From Aspergillus Oryzae (Tala-Amylase) at 1.65 A Resolution:
3.2.1.1;

Protein crystallography data

The structure of X-Ray Structure of A Tetragonal Crystal Form of Alpha Amylase From Aspergillus Oryzae (Tala-Amylase) at 1.65 A Resolution, PDB code: 6xsv was solved by A.Mcpherson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 66.45 / 1.65
Space group P 41 21 2
Cell size a, b, c (Å), α, β, γ (°) 63.126, 63.126, 265.812, 90.00, 90.00, 90.00
R / Rfree (%) 17.5 / 20.5

Calcium Binding Sites:

The binding sites of Calcium atom in the X-Ray Structure of A Tetragonal Crystal Form of Alpha Amylase From Aspergillus Oryzae (Tala-Amylase) at 1.65 A Resolution (pdb code 6xsv). 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 X-Ray Structure of A Tetragonal Crystal Form of Alpha Amylase From Aspergillus Oryzae (Tala-Amylase) at 1.65 A Resolution, PDB code: 6xsv:

Calcium binding site 1 out of 1 in 6xsv

Go back to Calcium Binding Sites List in 6xsv
Calcium binding site 1 out of 1 in the X-Ray Structure of A Tetragonal Crystal Form of Alpha Amylase From Aspergillus Oryzae (Tala-Amylase) at 1.65 A Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of X-Ray Structure of A Tetragonal Crystal Form of Alpha Amylase From Aspergillus Oryzae (Tala-Amylase) at 1.65 A Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca506

b:27.4
occ:1.00
 OD1 A:ASN121 2.3 24.8 1.0
O A:HIS210 2.4 27.0 1.0
O A:HOH781 2.4 25.9 1.0
O A:GLU162 2.5 29.7 1.0
OD2 A:ASP175 2.5 28.9 1.0
O A:HOH738 2.5 26.8 1.0
O A:HOH842 2.5 28.0 1.0
OD1 A:ASP175 2.6 26.7 1.0
CG A:ASP175 2.9 29.0 1.0
CG A:ASN121 3.5 25.7 1.0
HB3 A:HIS210 3.5 33.2 1.0
C A:GLU162 3.5 30.6 1.0
C A:HIS210 3.5 26.7 1.0
HA A:GLU162 3.6 36.1 1.0
HD21 A:ASN121 3.7 31.2 1.0
HG22 A:VAL211 3.8 32.8 1.0
HA A:VAL211 3.8 32.5 1.0
HD1 A:HIS147 3.9 37.7 1.0
ND2 A:ASN121 4.0 26.0 1.0
HE1 A:HIS147 4.0 37.7 1.0
CA A:GLU162 4.1 30.1 1.0
CB A:HIS210 4.3 27.7 1.0
HG23 A:VAL211 4.3 32.8 1.0
CB A:ASP175 4.4 28.5 1.0
HA A:ASN121 4.4 30.2 1.0
N A:VAL211 4.4 25.1 1.0
HA A:ASP163 4.4 38.3 1.0
CA A:HIS210 4.4 27.1 1.0
O A:CYS164 4.5 29.5 1.0
O A:ASN121 4.5 26.3 1.0
CG2 A:VAL211 4.5 27.3 1.0
O A:LEU176 4.5 27.9 1.0
CA A:VAL211 4.5 27.0 1.0
ND1 A:HIS147 4.5 31.4 1.0
HB2 A:HIS210 4.5 33.2 1.0
HB3 A:GLU162 4.6 36.5 1.0
HA A:HIS210 4.6 32.5 1.0
CE1 A:HIS147 4.6 31.4 1.0
N A:ASP163 4.6 31.2 1.0
O A:VAL161 4.6 29.9 1.0
CB A:ASN121 4.7 25.9 1.0
O A:HOH951 4.8 31.5 1.0
HB3 A:ASP175 4.8 34.3 1.0
HB2 A:ASP175 4.8 34.3 1.0
HD22 A:ASN121 4.9 31.2 1.0
HA A:ASP175 4.9 33.6 1.0
HB2 A:ASN121 4.9 31.1 1.0
CA A:ASN121 4.9 25.1 1.0
CA A:ASP163 4.9 31.9 1.0
CB A:GLU162 4.9 30.4 1.0

Reference:

A.Mcpherson, J.Holton, C.Gee. The Structures of Two Novel Crystal Forms of Aspergillus Oryzae Alpha Amylase (Taka-Amylase) To Be Published.
Page generated: Wed Jul 9 20:03:51 2025

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