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Calcium in PDB 6m4l: X-Ray Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida

Enzymatic activity of X-Ray Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida

All present enzymatic activity of X-Ray Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida:
3.2.1.1;

Protein crystallography data

The structure of X-Ray Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida, PDB code: 6m4l was solved by Y.Hirano, K.Tsukamoto, S.Ariki, Y.Naka, M.Ueda, T.Tamada, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 41.96 / 1.60
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 96.897, 96.897, 121.957, 90.00, 90.00, 120.00
R / Rfree (%) 16.8 / 19

Other elements in 6m4l:

The structure of X-Ray Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the X-Ray Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida (pdb code 6m4l). 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 Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida, PDB code: 6m4l:

Calcium binding site 1 out of 1 in 6m4l

Go back to Calcium Binding Sites List in 6m4l
Calcium binding site 1 out of 1 in the X-Ray Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of X-Ray Crystal Structure of the E249Q Mutant of Alpha-Amylase I From Eisenia Fetida within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca601

b:18.3
occ:1.00
 O A:ARG174 2.4 19.0 0.5
O A:HIS217 2.4 16.4 1.0
OD1 A:ASN118 2.4 16.9 1.0
OD2 A:ASP183 2.4 18.1 1.0
OD1 A:ASP183 2.5 17.9 1.0
O A:ARG174 2.5 19.3 0.5
O A:HOH790 2.5 18.5 1.0
O A:HOH727 2.5 19.4 1.0
O A:HOH922 2.6 17.4 1.0
CG A:ASP183 2.8 18.6 1.0
CG A:ASN118 3.5 17.2 1.0
C A:ARG174 3.5 17.5 0.5
C A:ARG174 3.5 17.6 0.5
C A:HIS217 3.6 19.0 1.0
ND2 A:ASN118 4.0 15.2 1.0
CA A:ARG174 4.2 17.1 0.5
CA A:ARG174 4.2 17.1 0.5
CB A:HIS217 4.2 15.8 1.0
CB A:ASP183 4.3 16.9 1.0
O A:ASN118 4.3 19.3 1.0
CA A:HIS217 4.4 15.1 1.0
ND1 A:HIS152 4.5 23.5 1.0
N A:MET218 4.5 17.2 0.5
N A:MET218 4.5 17.2 0.5
N A:ASN175 4.5 19.0 1.0
CA A:MET218 4.5 14.3 0.5
CA A:MET218 4.6 14.3 0.5
CE1 A:HIS152 4.6 23.5 1.0
CG A:MET218 4.6 17.9 0.5
O A:LEU184 4.6 20.1 1.0
O A:HOH1146 4.6 22.0 1.0
O A:CYS176 4.7 19.8 1.0
CA A:ASN175 4.7 21.9 1.0
CB A:ASN118 4.8 18.4 1.0
O A:VAL173 4.9 18.1 1.0
CG A:MET218 4.9 16.9 0.5
O A:HOH796 4.9 19.8 1.0
CB A:ARG174 4.9 18.0 0.5
O A:HOH907 5.0 20.2 1.0
CB A:ARG174 5.0 18.2 0.5

Reference:

Y.Hirano, K.Tsukamoto, S.Ariki, Y.Naka, M.Ueda, T.Tamada. X-Ray Crystallographic Structural Studies of Alpha-Amylase I From Eisenia Fetida. Acta Crystallogr D Struct V. 76 834 2020BIOL.
ISSN: ISSN 2059-7983
PubMed: 32876059
DOI: 10.1107/S2059798320010165
Page generated: Wed Jul 9 16:01:17 2025

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