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Calcium in PDB 2ptc: The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors

Enzymatic activity of The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors

All present enzymatic activity of The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors:
3.4.21.4;

Protein crystallography data

The structure of The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors, PDB code: 2ptc was solved by R.Huber, J.Deisenhofer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 6.80 / 1.90
Space group I 2 2 2
Cell size a, b, c (Å), α, β, γ (°) 75.500, 84.400, 122.900, 90.00, 90.00, 90.00
R / Rfree (%) 18.7 / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors (pdb code 2ptc). 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 The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors, PDB code: 2ptc:

Calcium binding site 1 out of 1 in 2ptc

Go back to Calcium Binding Sites List in 2ptc
Calcium binding site 1 out of 1 in the The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors within 5.0Å range:
probe atom residue distance (Å) B Occ
E:Ca462

b:14.2
occ:0.50
 O E:ASN72 2.2 24.3 1.0
OE2 E:GLU70 2.3 28.2 1.0
O E:VAL75 2.4 28.5 1.0
O E:HOH481 2.4 18.2 1.0
OE2 E:GLU80 2.4 39.9 1.0
O E:HOH559 2.5 21.1 1.0
C E:ASN72 3.4 24.3 1.0
CD E:GLU70 3.5 28.2 1.0
CD E:GLU80 3.5 39.9 1.0
C E:VAL75 3.6 28.5 1.0
CG E:GLU80 3.8 39.9 1.0
OE1 E:GLU70 4.0 28.2 1.0
CG E:GLU77 4.1 50.1 1.0
N E:GLU77 4.1 37.2 1.0
N E:ILE73 4.3 24.8 1.0
CA E:ILE73 4.3 24.8 1.0
OE1 E:GLU77 4.3 50.1 1.0
CA E:VAL76 4.3 32.8 1.0
CA E:ASN72 4.3 24.3 1.0
N E:ASN72 4.3 24.3 1.0
N E:VAL76 4.4 32.8 1.0
N E:VAL75 4.4 28.5 1.0
CB E:GLU77 4.5 37.2 1.0
CB E:ASN72 4.5 24.3 1.0
N E:ASP71 4.5 24.4 1.0
CA E:GLU70 4.6 26.2 1.0
OE1 E:GLU80 4.6 39.9 1.0
C E:ILE73 4.6 24.8 1.0
CA E:VAL75 4.7 28.5 1.0
CD E:GLU77 4.7 50.1 1.0
C E:VAL76 4.7 32.8 1.0
CG E:GLU70 4.7 28.2 1.0
CB E:GLU70 4.7 26.2 1.0
CA E:GLU77 4.9 37.2 1.0
O E:HOH560 4.9 35.0 1.0
N E:ASN74 5.0 31.1 1.0

Reference:

M.Marquart, J.Walter, J.Deisenhofer, W.Bode, R.Huber. The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and Its Complexes with Inhibitors Acta Crystallogr.,Sect.B V. 39 480 1983.
ISSN: ISSN 0108-7681
Page generated: Tue Jul 8 07:46:52 2025

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