Calcium in PDB 1a0s: Sucrose-Specific Porin

The structure of Sucrose-Specific Porin, PDB code: 1a0s was solved by K.Diederichs, W.Welte, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	100.00 / 2.40
Space group	P 32
Cell size a, b, c (Å), α, β, γ (°)	112.100, 112.100, 147.000, 90.00, 90.00, 120.00
R / Rfree (%)	21.4 / 22.8

The binding sites of Calcium atom in the Sucrose-Specific Porin (pdb code 1a0s). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Sucrose-Specific Porin, PDB code: 1a0s:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Sucrose-Specific Porin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Sucrose-Specific Porin within 5.0Å range: probe atom residue distance (Å) B Occ P:Ca10 b:42.1 occ:1.37 O P:ALA457 2.4 31.0 1.0 O P:ASN454 2.5 31.1 1.0 O P:LEU462 2.5 30.0 1.0 CB P:ASP460 2.9 33.1 1.0 C P:ASN454 3.4 30.5 1.0 OD2 P:ASP460 3.5 36.0 1.0 C P:ALA457 3.5 29.7 1.0 CG P:ASP460 3.7 33.7 1.0 C P:LEU462 3.7 29.9 1.0 CA P:ASN454 3.9 29.1 1.0 CA P:ASP460 4.1 32.5 1.0 N P:ALA457 4.1 27.0 1.0 N P:ASP460 4.3 34.4 1.0 N P:SER458 4.4 31.0 1.0 CA P:SER458 4.4 33.2 1.0 CA P:GLY463 4.4 34.3 1.0 CA P:ALA457 4.4 27.8 1.0 C P:ASP460 4.5 31.3 1.0 N P:GLY463 4.5 31.1 1.0 N P:ASN455 4.5 31.4 1.0 CB P:ASN454 4.6 29.0 1.0 CA P:LEU462 4.6 29.3 1.0 N P:LEU462 4.6 29.1 1.0 C P:SER458 4.7 34.1 1.0 O P:LEU453 4.7 27.6 1.0 O P:ASP460 4.7 31.8 1.0 C P:GLY463 4.8 36.5 1.0 CB P:ALA457 4.8 25.8 1.0 OD1 P:ASP460 4.9 36.6 1.0 N P:SER464 4.9 39.2 1.0 CB P:LEU462 4.9 28.7 1.0 N P:TYR456 4.9 29.5 1.0 N P:ALA461 4.9 30.6 1.0 O P:SER458 5.0 34.1 1.0 CA P:ASN455 5.0 32.1 1.0

Calcium binding site 2 out of 3 in the Sucrose-Specific Porin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Sucrose-Specific Porin within 5.0Å range: probe atom residue distance (Å) B Occ Q:Ca10 b:41.2 occ:1.37 O Q:LEU462 2.5 30.9 1.0 O Q:ASN454 2.5 30.6 1.0 O Q:ALA457 2.5 32.0 1.0 CB Q:ASP460 2.9 32.4 1.0 OD2 Q:ASP460 3.4 35.1 1.0 C Q:ASN454 3.4 29.9 1.0 C Q:ALA457 3.6 29.3 1.0 CG Q:ASP460 3.6 34.0 1.0 C Q:LEU462 3.6 29.8 1.0 CA Q:ASN454 3.8 28.8 1.0 CA Q:ASP460 4.2 32.1 1.0 N Q:ALA457 4.2 26.5 1.0 N Q:ASP460 4.3 35.1 1.0 CA Q:GLY463 4.4 34.0 1.0 N Q:SER458 4.4 31.5 1.0 CA Q:ALA457 4.5 27.6 1.0 CA Q:SER458 4.5 32.3 1.0 N Q:GLY463 4.5 31.8 1.0 C Q:ASP460 4.5 31.6 1.0 CB Q:ASN454 4.5 28.5 1.0 N Q:ASN455 4.6 29.9 1.0 CA Q:LEU462 4.6 29.9 1.0 N Q:LEU462 4.7 29.6 1.0 O Q:LEU453 4.7 28.5 1.0 C Q:SER458 4.7 33.0 1.0 O Q:ASP460 4.7 32.1 1.0 C Q:GLY463 4.8 36.1 1.0 OD1 Q:ASP460 4.8 37.0 1.0 CB Q:LEU462 4.9 28.7 1.0 N Q:TYR456 4.9 29.5 1.0 CB Q:ALA457 4.9 25.6 1.0 N Q:ALA461 4.9 31.0 1.0 N Q:SER464 4.9 39.3 1.0 O Q:SER458 5.0 33.3 1.0

Calcium binding site 3 out of 3 in the Sucrose-Specific Porin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Sucrose-Specific Porin within 5.0Å range: probe atom residue distance (Å) B Occ R:Ca10 b:45.2 occ:1.37 O R:ALA457 2.4 31.4 1.0 O R:LEU462 2.5 29.0 1.0 O R:ASN454 2.5 33.2 1.0 CB R:ASP460 2.8 34.1 1.0 OD2 R:ASP460 3.4 36.0 1.0 C R:ASN454 3.5 30.5 1.0 C R:ALA457 3.5 29.2 1.0 C R:LEU462 3.6 30.4 1.0 CG R:ASP460 3.6 34.0 1.0 CA R:ASN454 3.9 29.3 1.0 CA R:ASP460 4.1 32.6 1.0 N R:ALA457 4.2 25.4 1.0 N R:ASP460 4.2 34.8 1.0 CA R:GLY463 4.3 34.6 1.0 N R:SER458 4.4 31.0 1.0 N R:GLY463 4.4 32.8 1.0 CA R:SER458 4.4 32.4 1.0 C R:ASP460 4.4 31.9 1.0 CA R:ALA457 4.4 27.1 1.0 CA R:LEU462 4.5 29.2 1.0 N R:LEU462 4.6 28.5 1.0 O R:ASP460 4.6 31.4 1.0 CB R:ASN454 4.6 29.2 1.0 N R:ASN455 4.6 31.1 1.0 C R:SER458 4.7 34.5 1.0 C R:GLY463 4.7 36.8 1.0 O R:LEU453 4.7 29.0 1.0 OD1 R:ASP460 4.8 37.9 1.0 N R:SER464 4.8 39.4 1.0 CB R:LEU462 4.9 28.4 1.0 CB R:ALA457 4.9 25.6 1.0 N R:ALA461 4.9 31.4 1.0 N R:TYR456 4.9 30.4 1.0 O R:SER458 4.9 35.2 1.0

D.Forst, W.Welte, T.Wacker, K.Diederichs. Structure of the Sucrose-Specific Porin Scry From Salmonella Typhimurium and Its Complex with Sucrose. Nat.Struct.Biol. V. 5 37 1998.
ISSN: ISSN 1072-8368
PubMed: 9437428
DOI: 10.1038/NSB0198-37