Calcium in PDB 1okq: Laminin Alpha 2 Chain LG4-5 Domain Pair, CA1 Site Mutant

The structure of Laminin Alpha 2 Chain LG4-5 Domain Pair, CA1 Site Mutant, PDB code: 1okq was solved by H.Wizemann, J.H.O.Garbe, M.V.K.Friedrich, R.Timpl, T.Sasaki, E.Hohenester, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.80
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	70.110, 110.734, 123.835, 90.00, 90.00, 90.00
R / Rfree (%)	22 / 27

The binding sites of Calcium atom in the Laminin Alpha 2 Chain LG4-5 Domain Pair, CA1 Site Mutant (pdb code 1okq). 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 Laminin Alpha 2 Chain LG4-5 Domain Pair, CA1 Site Mutant, PDB code: 1okq:

Calcium binding site 1 out of 1 in the Laminin Alpha 2 Chain LG4-5 Domain Pair, CA1 Site Mutant


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Laminin Alpha 2 Chain LG4-5 Domain Pair, CA1 Site Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca4002 b:18.7 occ:1.00 O A:SER3053 2.2 21.6 1.0 O A:ASN2999 2.2 15.0 1.0 OD2 A:ASP2982 2.3 25.2 1.0 OD2 A:ASP3055 2.3 16.6 1.0 CG A:ASP2982 3.2 25.7 1.0 C A:ASN2999 3.2 14.2 1.0 OD1 A:ASP2982 3.4 24.6 1.0 C A:SER3053 3.4 19.9 1.0 CG A:ASP3055 3.5 17.0 1.0 O A:HOH2022 3.9 18.2 1.0 CA A:ASN2999 3.9 14.0 1.0 N A:ASP3055 4.0 16.6 1.0 CB A:ASN2999 4.1 13.6 1.0 N A:GLY3000 4.2 13.9 1.0 CB A:ASP3055 4.3 15.2 1.0 CA A:SER3053 4.3 18.0 1.0 N A:SER3053 4.4 16.4 1.0 N A:ALA3054 4.4 19.0 1.0 OD1 A:ASP3055 4.4 21.6 1.0 CA A:ALA3054 4.5 18.5 1.0 CA A:GLY3000 4.5 15.2 1.0 CB A:SER3053 4.5 16.4 1.0 CB A:ASP2982 4.6 26.6 1.0 C A:ALA3054 4.8 18.4 1.0 CA A:ASP3055 4.8 16.1 1.0 OG A:SER3053 4.9 15.1 1.0 CB A:SER3051 5.0 19.2 1.0

H.Wizemann, J.H.O.Garbe, M.V.K.Friedrich, R.Timpl, T.Sasaki, E.Hohenester. Distinct Requirements For Heparin and Alpha-Dystroglycan Binding Revealed By Structure-Based Mutagenesis of the Laminin ALPHA2 LG4-LG5 Domain Pair J.Mol.Biol. V. 332 635 2003.
ISSN: ISSN 0022-2836
PubMed: 12963372
DOI: 10.1016/S0022-2836(03)00848-9