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Calcium in PDB 2i0u: Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel

Enzymatic activity of Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel

All present enzymatic activity of Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel:
3.1.1.4;

Protein crystallography data

The structure of Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel, PDB code: 2i0u was solved by W.Gao, R.C.Bi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 29.00 / 2.20
Space group H 3 2
Cell size a, b, c (Å), α, β, γ (°) 76.284, 76.284, 304.395, 90.00, 90.00, 120.00
R / Rfree (%) 20.9 / 23.6

Other elements in 2i0u:

The structure of Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel also contains other interesting chemical elements:

Fluorine (F) 3 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel (pdb code 2i0u). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel, PDB code: 2i0u:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 2i0u

Go back to Calcium Binding Sites List in 2i0u
Calcium binding site 1 out of 2 in the Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
E:Ca1003

b:36.8
occ:1.00
ND2 E:ASN10 3.1 25.8 1.0
O A:HOH2127 3.2 28.7 1.0
ND2 A:ASN10 3.2 32.6 1.0
O A:HOH2126 3.3 28.6 1.0
N A:PHE17 3.3 29.7 1.0
N E:PHE17 3.3 28.5 1.0
CA E:ALA16 3.6 28.3 1.0
CB E:ALA16 3.7 28.1 1.0
CA A:ALA16 3.8 31.2 1.0
C E:ALA16 3.9 27.4 1.0
C A:ALA16 4.0 30.4 1.0
CG E:ASN10 4.0 27.9 1.0
CB A:ALA16 4.0 31.0 1.0
CG A:ASN10 4.1 34.0 1.0
CA A:PHE17 4.2 30.9 1.0
CA E:PHE17 4.3 27.9 1.0
CG A:PHE17 4.4 31.5 1.0
CD1 A:PHE17 4.4 30.4 1.0
CB E:ASN10 4.4 24.5 1.0
CB A:ASN10 4.5 33.5 1.0
CG E:PHE17 4.5 32.3 1.0
CD2 A:PHE17 4.5 30.7 1.0
CE1 A:PHE17 4.5 32.1 1.0
CD1 E:PHE17 4.6 35.2 1.0
CD2 E:PHE17 4.6 33.1 1.0
CE2 A:PHE17 4.6 33.0 1.0
CZ A:PHE17 4.7 31.6 1.0
CE1 E:PHE17 4.7 37.3 1.0
CE2 E:PHE17 4.7 36.5 1.0
CZ E:PHE17 4.8 36.9 1.0
N E:ALA16 4.9 28.0 1.0
CB A:PHE17 4.9 31.1 1.0
OD1 E:ASN10 5.0 25.7 1.0

Calcium binding site 2 out of 2 in 2i0u

Go back to Calcium Binding Sites List in 2i0u
Calcium binding site 2 out of 2 in the Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
E:Ca1001

b:26.9
occ:0.50
NE E:ARG43 3.3 16.3 1.0
O E:HOH1220 3.4 14.8 1.0
CG E:ARG43 3.5 17.7 1.0
CG2 E:VAL47 3.8 13.4 1.0
CD E:ARG43 4.0 15.3 1.0
SG E:CYS44 4.0 18.0 1.0
CZ E:ARG43 4.2 19.3 1.0
NH2 E:ARG43 4.2 17.9 1.0
CB E:VAL47 4.6 17.2 1.0
CA E:CYS44 4.6 16.9 1.0
N E:CYS44 4.7 15.0 1.0
O E:ARG43 4.8 16.0 1.0
C E:ARG43 4.8 17.3 1.0
CB E:ARG43 4.9 18.4 1.0
O E:HOH1276 5.0 15.9 1.0

Reference:

W.Gao, R.C.Bi. Crystal Structures of Phospholipases A2 From Vipera Nikolskii Venom Revealing Triton X-100 Bound in Hydrophobic Channel To Be Published.
Page generated: Tue Jul 8 06:06:54 2025

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