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Calcium in PDB 1clv: Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor

Enzymatic activity of Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor

All present enzymatic activity of Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor:
3.2.1.1;

Protein crystallography data

The structure of Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor, PDB code: 1clv was solved by P.J.B.Pereira, V.Lozanov, A.Patthy, R.Huber, W.Bode, S.Pongor, S.Strobl, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 8.00 / 2.00
Space group P 61
Cell size a, b, c (Å), α, β, γ (°) 119.250, 119.250, 64.780, 90.00, 90.00, 120.00
R / Rfree (%) 16.1 / 19

Other elements in 1clv:

The structure of Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor (pdb code 1clv). 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 Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor, PDB code: 1clv:

Calcium binding site 1 out of 1 in 1clv

Go back to Calcium Binding Sites List in 1clv
Calcium binding site 1 out of 1 in the Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha- Amylase Inhibitor within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca601

b:13.1
occ:1.00
 O A:ARG146 2.3 14.3 1.0
O A:HIS189 2.4 10.1 1.0
OD1 A:ASN98 2.4 12.1 1.0
OD2 A:ASP155 2.5 12.4 1.0
O A:HOH628 2.5 12.4 1.0
O A:HOH619 2.5 10.4 1.0
O A:HOH611 2.6 8.0 1.0
OD1 A:ASP155 2.7 14.0 1.0
CG A:ASP155 2.9 12.5 1.0
C A:ARG146 3.4 14.2 1.0
CG A:ASN98 3.5 8.0 1.0
C A:HIS189 3.6 9.7 1.0
ND2 A:ASN98 3.9 8.0 1.0
CA A:ARG146 4.1 10.8 1.0
CB A:HIS189 4.3 8.0 1.0
O A:ASN98 4.4 9.6 1.0
CB A:ASP155 4.4 12.1 1.0
CG A:MET190 4.4 11.7 1.0
O A:CYS148 4.5 10.6 1.0
N A:MET190 4.5 11.5 1.0
N A:ASN147 4.5 13.4 1.0
CE1 A:HIS131 4.5 15.4 1.0
CA A:HIS189 4.5 9.6 1.0
ND1 A:HIS131 4.5 15.7 1.0
CA A:MET190 4.5 9.2 1.0
O A:LEU156 4.6 14.2 1.0
CA A:ASN147 4.7 13.4 1.0
OE1 A:GLN158 4.7 11.1 1.0
CB A:ASN98 4.8 8.3 1.0
O A:VAL145 4.8 9.6 1.0
O A:HOH644 4.9 16.0 1.0
CB A:ARG146 4.9 9.4 1.0
NE2 A:GLN158 5.0 9.2 1.0

Reference:

P.J.Pereira, V.Lozanov, A.Patthy, R.Huber, W.Bode, S.Pongor, S.Strobl. Specific Inhibition of Insect Alpha-Amylases: Yellow Meal Worm Alpha-Amylase in Complex with the Amaranth Alpha-Amylase Inhibitor at 2.0 A Resolution. Structure Fold.Des. V. 7 1079 1999.
ISSN: ISSN 0969-2126
PubMed: 10508777
DOI: 10.1016/S0969-2126(99)80175-0
Page generated: Mon Jul 7 14:04:15 2025

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