Calcium in PDB 1t61: Crystal Structure of Collagen IV NC1 Domain From Placenta Basement Membrane

The structure of Crystal Structure of Collagen IV NC1 Domain From Placenta Basement Membrane, PDB code: 1t61 was solved by R.M.Vanacore, S.Shanmugasundararaj, D.B.Friedman, O.Bondar, B.G.Hudson, M.Sundaramoorthy, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	73.650, 80.139, 235.420, 90.00, 90.00, 90.00
R / Rfree (%)	17.4 / 20

The structure of Crystal Structure of Collagen IV NC1 Domain From Placenta Basement Membrane also contains other interesting chemical elements:

Potassium	(K)	6 atoms
Chlorine	(Cl)	6 atoms

The binding sites of Calcium atom in the Crystal Structure of Collagen IV NC1 Domain From Placenta Basement Membrane (pdb code 1t61). 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 Structure of Collagen IV NC1 Domain From Placenta Basement Membrane, PDB code: 1t61:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of Collagen IV NC1 Domain From Placenta Basement Membrane


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 Collagen IV NC1 Domain From Placenta Basement Membrane within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca814 b:5.8 occ:1.00 OD2 C:ASP148 2.5 31.2 1.0 O F:HOH914 2.5 50.0 1.0 OE1 C:GLU149 2.6 20.8 1.0 O E:HOH890 2.7 41.0 1.0 O C:HOH923 2.8 43.7 1.0 O C:HOH924 3.4 23.2 1.0 CG C:ASP148 3.5 28.2 1.0 CD C:GLU149 3.7 17.5 1.0 OD1 C:ASP148 3.8 34.1 1.0 O F:HOH913 3.8 10.5 1.0 O C:HOH936 3.9 4.4 1.0 OD2 F:ASP148 4.1 35.3 1.0 CG C:GLU149 4.1 15.2 1.0 O C:GLU39 4.3 9.8 1.0 CG F:ASP148 4.4 29.7 1.0 OE1 E:GLU40 4.5 20.1 1.0 OD1 F:ASP148 4.6 31.3 1.0 N C:ASP148 4.6 17.3 1.0 OE2 C:GLU149 4.7 16.4 1.0 CB C:ASP148 4.8 24.1 1.0 N C:GLU149 4.9 14.7 1.0 C C:ASP148 4.9 17.4 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Collagen IV NC1 Domain From Placenta Basement Membrane


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Collagen IV NC1 Domain From Placenta Basement Membrane within 5.0Å range: probe atom residue distance (Å) B Occ F:Ca813 b:8.3 occ:1.00 O F:HOH908 2.4 24.7 1.0 OD1 F:ASP148 2.5 31.3 1.0 OE1 F:GLU149 2.5 18.9 1.0 O F:HOH914 2.7 50.0 1.0 O B:HOH883 2.8 38.0 1.0 O F:HOH893 3.4 46.9 1.0 CG F:ASP148 3.6 29.7 1.0 CD F:GLU149 3.6 16.1 1.0 OD1 C:ASP148 3.7 34.1 1.0 O C:HOH936 3.8 4.4 1.0 O F:HOH913 3.9 10.5 1.0 OD2 F:ASP148 4.0 35.3 1.0 CG F:GLU149 4.1 13.9 1.0 O F:GLU39 4.3 9.9 1.0 OE1 B:GLU40 4.4 20.1 1.0 CG C:ASP148 4.5 28.2 1.0 N F:ASP148 4.7 17.1 1.0 OE2 F:GLU149 4.7 15.7 1.0 CB F:ASP148 4.9 25.2 1.0 O B:HOH855 4.9 46.8 1.0 C F:ASP148 4.9 18.8 1.0 N F:GLU149 4.9 14.4 1.0

R.M.Vanacore, S.Shanmugasundararaj, D.B.Friedman, O.Bondar, B.G.Hudson, M.Sundaramoorthy. The ALPHA1.ALPHA2 Network of Collagen IV. Reinforced Stabilization of the Noncollagenous Domain-1 By Noncovalent Forces and the Absence of Met-Lys Cross-Links J.Biol.Chem. V. 279 44723 2004.
ISSN: ISSN 0021-9258
PubMed: 15299013
DOI: 10.1074/JBC.M406344200