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Calcium in PDB 3eri: First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species

Enzymatic activity of First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species

All present enzymatic activity of First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species:
1.11.1.7;

Protein crystallography data

The structure of First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species, PDB code: 3eri was solved by A.K.Singh, N.Singh, I.A.Sheikh, M.Sinha, A.Bhushan, P.Kaur, A.Srinivasan, S.Sharma, T.P.Singh, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 19.48 / 2.50
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 54.537, 80.592, 77.832, 90.00, 102.63, 90.00
R / Rfree (%) 18.1 / 20.1

Other elements in 3eri:

The structure of First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species also contains other interesting chemical elements:

Iodine (I) 7 atoms
Iron (Fe) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species (pdb code 3eri). 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 First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species, PDB code: 3eri:

Calcium binding site 1 out of 1 in 3eri

Go back to Calcium Binding Sites List in 3eri
Calcium binding site 1 out of 1 in the First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of First Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Crystal Structures of Substrate Complexes with Lactoperoxidases From Two Different Species within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca609

b:20.8
occ:1.00
 OD1 A:ASP110 2.4 22.7 1.0
O A:PHE186 2.5 27.3 1.0
O A:ASP110 2.5 20.6 1.0
OD1 A:ASP188 2.6 18.8 1.0
OG1 A:THR184 2.6 20.9 1.0
OG A:SER190 2.7 18.6 1.0
O A:THR184 2.7 17.6 1.0
CG A:ASP188 3.5 17.3 1.0
C A:ASP110 3.5 21.2 1.0
CB A:SER190 3.5 19.1 1.0
CG A:ASP110 3.5 22.7 1.0
C A:THR184 3.5 19.1 1.0
C A:PHE186 3.7 24.1 1.0
CB A:THR184 3.8 19.0 1.0
N A:ASP188 3.9 20.0 1.0
OD2 A:ASP188 3.9 18.6 1.0
CA A:THR184 4.1 18.2 1.0
N A:PHE186 4.2 25.5 1.0
CA A:ASP110 4.2 20.1 1.0
OD2 A:ASP110 4.3 24.2 1.0
N A:THR184 4.3 18.7 1.0
N A:SER190 4.3 18.0 1.0
CB A:ASP110 4.4 21.5 1.0
N A:LEU111 4.4 19.8 1.0
CA A:PHE186 4.5 24.3 1.0
C A:SER185 4.5 23.8 1.0
N A:SER185 4.5 20.9 1.0
CA A:SER190 4.5 18.4 1.0
CA A:LEU187 4.6 22.4 1.0
C A:LEU187 4.6 22.1 1.0
N A:LEU187 4.6 23.2 1.0
CA A:LEU111 4.6 19.1 1.0
CB A:ASP188 4.6 16.8 1.0
CA A:ASP188 4.7 17.4 1.0
O A:HOH714 4.8 6.0 1.0
CD2 A:LEU111 4.8 12.8 1.0
CA A:SER185 4.9 21.9 1.0
N A:ALA189 5.0 17.1 1.0
C A:ASP188 5.0 16.5 1.0
CG2 A:THR184 5.0 16.4 1.0

Reference:

I.A.Sheikh, A.K.Singh, N.Singh, M.Sinha, S.B.Singh, A.Bhushan, P.Kaur, A.Srinivasan, S.Sharma, T.P.Singh. Structural Evidence of Substrate Specificity in Mammalian Peroxidases: Structure of the Thiocyanate Complex with Lactoperoxidase and Its Interactions at 2.4 A Resolution J.Biol.Chem. V. 284 14849 2009.
ISSN: ISSN 0021-9258
PubMed: 19339248
DOI: 10.1074/JBC.M807644200
Page generated: Tue Jul 8 11:59:24 2025

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