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Calcium in PDB 2f3c: Crystal Structure of Infestin 1, A Kazal-Type Serineprotease Inhibitor, in Complex with Trypsin

Enzymatic activity of Crystal Structure of Infestin 1, A Kazal-Type Serineprotease Inhibitor, in Complex with Trypsin

All present enzymatic activity of Crystal Structure of Infestin 1, A Kazal-Type Serineprotease Inhibitor, in Complex with Trypsin:
3.4.21.4;

Protein crystallography data

The structure of Crystal Structure of Infestin 1, A Kazal-Type Serineprotease Inhibitor, in Complex with Trypsin, PDB code: 2f3c was solved by I.T.N.Campos, A.S.Tanaka, J.A.R.G.Barbosa, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.00 / 2.50
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 57.993, 62.692, 67.837, 90.00, 90.00, 90.00
R / Rfree (%) 17 / 25.2

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Infestin 1, A Kazal-Type Serineprotease Inhibitor, in Complex with Trypsin (pdb code 2f3c). 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 Crystal Structure of Infestin 1, A Kazal-Type Serineprotease Inhibitor, in Complex with Trypsin, PDB code: 2f3c:

Calcium binding site 1 out of 1 in 2f3c

Go back to Calcium Binding Sites List in 2f3c
Calcium binding site 1 out of 1 in the Crystal Structure of Infestin 1, A Kazal-Type Serineprotease Inhibitor, in Complex with Trypsin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Infestin 1, A Kazal-Type Serineprotease Inhibitor, in Complex with Trypsin within 5.0Å range:
probe atom residue distance (Å) B Occ
E:Ca242

b:29.3
occ:1.00
 OE1 E:GLU67 2.2 24.2 1.0
OE2 E:GLU77 2.2 23.2 1.0
O E:VAL72 2.3 29.1 1.0
O E:ASN69 2.3 27.6 1.0
OE1 E:GLU74 2.5 29.7 1.0
O E:HOH261 2.5 14.1 1.0
CD E:GLU67 3.2 23.9 1.0
CD E:GLU77 3.3 24.7 1.0
CD E:GLU74 3.4 32.7 1.0
C E:VAL72 3.4 29.5 1.0
C E:ASN69 3.5 26.8 1.0
OE2 E:GLU67 3.6 18.9 1.0
CG E:GLU77 3.8 26.1 1.0
N E:GLU74 4.0 31.6 1.0
CA E:VAL73 4.0 30.8 1.0
N E:VAL73 4.1 30.3 1.0
CG E:GLU74 4.1 33.0 1.0
OE2 E:GLU74 4.2 33.8 1.0
N E:ASN69 4.3 26.4 1.0
CA E:ILE70 4.3 26.6 1.0
N E:ILE70 4.3 26.7 1.0
CA E:ASN69 4.3 26.6 1.0
N E:VAL72 4.4 29.2 1.0
C E:ILE70 4.4 26.7 1.0
OE1 E:GLU77 4.4 24.6 1.0
CA E:VAL72 4.5 29.1 1.0
C E:VAL73 4.5 31.2 1.0
CG E:GLU67 4.5 24.6 1.0
N E:ASP68 4.5 26.0 1.0
O E:HOH318 4.6 14.2 1.0
CB E:ASN69 4.6 26.2 1.0
O E:ILE70 4.6 26.5 1.0
CA E:GLU67 4.6 25.5 1.0
CB E:GLU74 4.7 32.8 1.0
O E:HOH320 4.7 34.5 1.0
CB E:GLU67 4.8 24.6 1.0
N E:ASN71 4.9 27.5 1.0
CA E:GLU74 5.0 32.4 1.0

Reference:

I.T.Campos, T.A.Souza, R.J.Torquato, R.De Marco, A.M.Tanaka-Azevedo, A.S.Tanaka, J.A.R.G.Barbosa. The Kazal-Type Inhibitors Infestins 1 and 4 Differ in Specificity But Are Similar in Three-Dimensional Structure. Acta Crystallogr.,Sect.D V. 68 695 2012.
ISSN: ISSN 0907-4449
PubMed: 22683792
DOI: 10.1107/S0907444912009067
Page generated: Tue Jul 8 05:26:37 2025

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