Calcium in PDB 6to1: Crystal Structure of Three N-Terminal Domains of the Type V Pili Tip Protein MFA5 From Porphyromonas Gingivalis

The structure of Crystal Structure of Three N-Terminal Domains of the Type V Pili Tip Protein MFA5 From Porphyromonas Gingivalis, PDB code: 6to1 was solved by K.Persson, T.V.Heidler, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.98 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	50.720, 72.810, 184.490, 90.00, 90.00, 90.00
R / Rfree (%)	16.1 / 20

The structure of Crystal Structure of Three N-Terminal Domains of the Type V Pili Tip Protein MFA5 From Porphyromonas Gingivalis also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Calcium atom in the Crystal Structure of Three N-Terminal Domains of the Type V Pili Tip Protein MFA5 From Porphyromonas Gingivalis (pdb code 6to1). 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 Crystal Structure of Three N-Terminal Domains of the Type V Pili Tip Protein MFA5 From Porphyromonas Gingivalis, PDB code: 6to1:

Calcium binding site 1 out of 1 in the Crystal Structure of Three N-Terminal Domains of the Type V Pili Tip Protein MFA5 From Porphyromonas Gingivalis


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 Three N-Terminal Domains of the Type V Pili Tip Protein MFA5 From Porphyromonas Gingivalis within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1105 b:38.4 occ:1.00 O A:ASN298 2.2 29.7 1.0 O A:LEU303 2.2 30.2 1.0 O A:THR301 2.4 31.9 1.0 OG1 A:THR301 2.4 34.3 1.0 OD2 A:ASP336 2.6 37.2 1.0 OD1 A:ASN297 2.8 31.9 1.0 H A:THR301 3.2 50.6 1.0 C A:THR301 3.2 30.6 1.0 C A:ASN298 3.3 28.4 1.0 H A:ASN298 3.3 35.0 1.0 HB3 A:ASN298 3.3 37.6 1.0 C A:LEU303 3.4 30.0 1.0 CB A:THR301 3.6 33.6 1.0 CG A:ASP336 3.6 45.5 1.0 CA A:THR301 3.8 31.4 1.0 N A:ASN298 3.8 29.1 1.0 CG A:ASN297 3.8 33.7 1.0 HG22 A:THR304 3.8 54.3 1.0 N A:THR301 3.8 42.2 1.0 HD21 A:ASN297 3.8 42.5 1.0 N A:LEU303 3.8 31.6 1.0 HB3 A:LEU303 3.9 39.2 1.0 H A:LEU303 3.9 37.9 1.0 CA A:ASN298 3.9 27.1 1.0 HA A:THR304 4.0 32.0 1.0 OD1 A:ASP336 4.0 30.2 1.0 CB A:ASN298 4.1 31.3 1.0 HA A:PRO299 4.1 65.4 1.0 CA A:LEU303 4.1 36.1 1.0 C A:PRO302 4.1 40.0 1.0 ND2 A:ASN297 4.1 35.4 1.0 HB A:THR301 4.2 40.3 1.0 N A:PRO302 4.3 30.5 1.0 N A:PRO299 4.3 37.1 1.0 HG23 A:THR304 4.4 54.3 1.0 N A:THR304 4.5 32.5 1.0 HG23 A:THR301 4.5 44.2 1.0 CB A:LEU303 4.5 32.6 1.0 CA A:PRO299 4.5 54.5 1.0 CG2 A:THR304 4.5 45.2 1.0 O A:PRO302 4.6 36.4 1.0 C A:PRO299 4.6 45.2 1.0 CA A:PRO302 4.6 38.5 1.0 CG2 A:THR301 4.6 36.8 1.0 CA A:THR304 4.7 26.7 1.0 HB2 A:ASN298 4.7 37.6 1.0 HA A:PRO302 4.7 46.2 1.0 C A:ASN297 4.7 23.2 1.0 HA A:ASN297 4.7 31.1 1.0 HA A:THR301 4.7 37.7 1.0 N A:SER300 4.8 42.7 1.0 HA A:ASN298 4.8 32.5 1.0 H A:SER300 4.8 51.3 1.0 HG A:LEU303 4.9 37.8 1.0 CB A:ASP336 4.9 24.5 1.0 O A:PRO299 4.9 49.6 1.0 C A:SER300 4.9 47.6 1.0 HD22 A:ASN297 5.0 42.5 1.0 HG21 A:THR301 5.0 44.2 1.0 HA A:LEU303 5.0 43.4 1.0

T.V.Heidler, R.Claesson, K.Persson. Structure of Porphyromonas Gingivalis MFA5 Reveals Unexpected Divergence For A Gram-Negative Fimbrial Tip Protein To Be Published.