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Calcium in PDB 2bch: A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2

Enzymatic activity of A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2

All present enzymatic activity of A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2:
3.1.1.4;

Protein crystallography data

The structure of A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2, PDB code: 2bch was solved by K.Sekar, M.Yogavel, D.Velmurugan, M.J.Poi, Z.Dauter, M.D.Tsai, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 1.10
Space group P 31 2 1
Cell size a, b, c (Å), α, β, γ (°) 45.908, 45.908, 101.372, 90.00, 90.00, 120.00
R / Rfree (%) 10.4 / 13.3

Other elements in 2bch:

The structure of A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2 also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2 (pdb code 2bch). 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 A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2, PDB code: 2bch:

Calcium binding site 1 out of 1 in 2bch

Go back to Calcium Binding Sites List in 2bch
Calcium binding site 1 out of 1 in the A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of A Possible of Second Calcium Ion in Interfacial Binding: Atomic and Medium Resolution Crystal Structures of the Quadruple Mutant of Phospholipase A2 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca124

b:17.4
occ:1.00
 O A:GLY30 2.2 19.8 0.5
O A:GLY32 2.3 20.9 0.5
O A:GLY32 2.3 20.4 0.5
O A:TYR28 2.4 15.1 1.0
O A:GLY30 2.5 16.2 0.5
OD2 A:ASP49 2.5 15.6 1.0
O A:HOH231 2.5 20.5 1.0
OD1 A:ASP49 2.5 13.8 1.0
O A:HOH297 2.5 27.6 1.0
CG A:ASP49 2.8 13.0 1.0
C A:GLY32 3.3 21.1 0.5
C A:GLY32 3.4 21.2 0.5
C A:GLY30 3.4 19.4 0.5
C A:TYR28 3.5 14.3 1.0
N A:GLY32 3.6 24.1 0.5
C A:GLY30 3.6 18.9 0.5
CA A:GLY32 3.8 25.9 0.5
C A:LEU31 3.8 23.5 0.5
N A:GLY32 3.8 21.6 0.5
N A:GLY30 3.9 16.1 0.5
N A:GLY30 3.9 16.1 0.5
O2 A:MPD131 4.1 33.4 0.6
CA A:GLY32 4.1 22.2 0.5
CA A:TYR28 4.2 13.7 1.0
O A:HOH217 4.2 16.3 1.0
O A:LEU31 4.2 30.0 0.5
CA A:LEU31 4.3 23.9 0.5
N A:LEU31 4.3 22.0 0.5
CB A:ASP49 4.3 12.5 1.0
CA A:GLY30 4.3 18.0 0.5
N A:GLY33 4.4 21.9 0.5
CA A:GLY30 4.4 17.7 0.5
O A:HOH240 4.4 21.5 1.0
C A:LEU31 4.4 23.5 0.5
N A:GLY33 4.4 18.9 0.5
O A:HOH329 4.5 56.4 1.0
N A:CYS29 4.6 14.6 1.0
CA A:GLY33 4.6 20.9 0.5
CB A:TYR28 4.6 12.9 1.0
N A:LEU31 4.6 21.6 0.5
OH A:TYR69 4.7 45.5 0.6
C A:CYS29 4.7 15.2 1.0
CA A:CYS29 4.7 15.1 1.0
CA A:LEU31 4.8 23.4 0.5
CA A:GLY33 4.8 17.6 0.5
C5 A:MPD129 4.8 21.6 0.3
O A:HOH233 4.8 22.6 1.0
O A:CYS45 4.8 11.4 1.0
O A:HOH342 4.9 30.1 0.3
O4 A:MPD129 5.0 22.0 0.3

Reference:

K.Sekar, M.Yogavel, S.P.Kanaujia, A.Sharma, D.Velmurugan, M.J.Poi, Z.Dauter, M.D.Tsai. Suggestive Evidence For the Involvement of the Second Calcium and Surface Loop in Interfacial Binding: Monoclinic and Trigonal Crystal Structures of A Quadruple Mutant of Phospholipase A(2). Acta Crystallogr.,Sect.D V. 62 717 2006.
ISSN: ISSN 0907-4449
PubMed: 16790927
DOI: 10.1107/S0907444906014855
Page generated: Fri Jul 12 08:58:52 2024

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