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Calcium in PDB 1hax: Snapshots of Serine Protease Catalysis: (A) Acyl-Enzyme Intermediate Between Porcine Pancreatic Elastase and Human Beta-Casomorphin-7 at pH 5

Enzymatic activity of Snapshots of Serine Protease Catalysis: (A) Acyl-Enzyme Intermediate Between Porcine Pancreatic Elastase and Human Beta-Casomorphin-7 at pH 5

All present enzymatic activity of Snapshots of Serine Protease Catalysis: (A) Acyl-Enzyme Intermediate Between Porcine Pancreatic Elastase and Human Beta-Casomorphin-7 at pH 5:
3.4.21.11;

Protein crystallography data

The structure of Snapshots of Serine Protease Catalysis: (A) Acyl-Enzyme Intermediate Between Porcine Pancreatic Elastase and Human Beta-Casomorphin-7 at pH 5, PDB code: 1hax was solved by R.C.Wilmouth, K.Edman, R.Neutze, P.A.Wright, I.J.Clifton, T.R.Schneider, C.J.Schofield, J.Hajdu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 38.1 / 1.60
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 50.320, 58.220, 74.410, 90.00, 90.00, 90.00
R / Rfree (%) 18.6 / 20.1

Calcium Binding Sites:

The binding sites of Calcium atom in the Snapshots of Serine Protease Catalysis: (A) Acyl-Enzyme Intermediate Between Porcine Pancreatic Elastase and Human Beta-Casomorphin-7 at pH 5 (pdb code 1hax). 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 Snapshots of Serine Protease Catalysis: (A) Acyl-Enzyme Intermediate Between Porcine Pancreatic Elastase and Human Beta-Casomorphin-7 at pH 5, PDB code: 1hax:

Calcium binding site 1 out of 1 in 1hax

Go back to Calcium Binding Sites List in 1hax
Calcium binding site 1 out of 1 in the Snapshots of Serine Protease Catalysis: (A) Acyl-Enzyme Intermediate Between Porcine Pancreatic Elastase and Human Beta-Casomorphin-7 at pH 5


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Snapshots of Serine Protease Catalysis: (A) Acyl-Enzyme Intermediate Between Porcine Pancreatic Elastase and Human Beta-Casomorphin-7 at pH 5 within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca1246

b:9.7
occ:1.00
 O B:GLN75 2.5 14.4 1.0
OE1 B:GLU80 2.5 10.4 1.0
O B:ASN72 2.5 12.3 1.0
OE1 B:GLU70 2.5 12.8 1.0
OD1 B:ASN77 2.6 12.8 1.0
O B:HOH2050 2.8 25.1 1.0
OE2 B:GLU70 3.0 16.0 1.0
CD B:GLU70 3.1 12.1 1.0
CD B:GLU80 3.5 9.5 1.0
C B:ASN72 3.5 11.4 1.0
C B:GLN75 3.6 16.6 1.0
CG B:ASN77 3.6 11.7 1.0
N B:ASN77 3.9 12.0 1.0
CG B:GLU80 3.9 9.2 1.0
N B:ASN72 4.1 8.7 1.0
CB B:ASN77 4.2 11.9 1.0
CA B:ASN76 4.3 14.2 1.0
CA B:ASN72 4.3 10.5 1.0
N B:GLN75 4.4 17.7 1.0
N B:ASN76 4.4 14.4 1.0
C B:ASN76 4.4 13.1 1.0
N B:LEU73 4.5 11.7 1.0
CG B:GLU70 4.5 10.8 1.0
CB B:ASN72 4.6 10.1 1.0
CA B:GLN75 4.6 18.0 1.0
CA B:LEU73 4.6 12.9 1.0
OE2 B:GLU80 4.6 10.7 1.0
O B:HOH2058 4.6 23.2 1.0
CA B:ASN77 4.7 11.3 1.0
N B:HIS71 4.7 7.9 1.0
ND2 B:ASN77 4.7 11.8 1.0
C B:LEU73 4.7 14.7 1.0
O B:HOH2045 4.9 14.8 1.0
O B:LEU73 5.0 17.6 1.0

Reference:

R.C.Wilmouth, K.Edman, R.Neutze, P.A.Wright, I.J.Clifton, T.R.Schneider, C.J.Schofield, J.Hajdu. X-Ray Snapshots of Serine Protease Catalysis Reveal A Tetrahedral Intermediate Nat.Struct.Biol. V. 8 689 2001.
ISSN: ISSN 1072-8368
PubMed: 11473259
DOI: 10.1038/90401
Page generated: Mon Jul 7 15:35:04 2025

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