Zinc in PDB 4q56: Structure of Helix Aspersa Agglutinin with Natural Glycosylation and N-Acetyl-Alpha-D-Galactosamine (Galnac)

The structure of Structure of Helix Aspersa Agglutinin with Natural Glycosylation and N-Acetyl-Alpha-D-Galactosamine (Galnac), PDB code: 4q56 was solved by A.J.Pietrzyk, A.Bujacz, G.Bujacz, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.92 / 1.38
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	47.900, 47.900, 281.530, 90.00, 90.00, 120.00
R / Rfree (%)	13.7 / 16.8

The structure of Structure of Helix Aspersa Agglutinin with Natural Glycosylation and N-Acetyl-Alpha-D-Galactosamine (Galnac) also contains other interesting chemical elements:

Sodium

(Na)

1 atom

The binding sites of Zinc atom in the Structure of Helix Aspersa Agglutinin with Natural Glycosylation and N-Acetyl-Alpha-D-Galactosamine (Galnac) (pdb code 4q56). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Structure of Helix Aspersa Agglutinin with Natural Glycosylation and N-Acetyl-Alpha-D-Galactosamine (Galnac), PDB code: 4q56:

Zinc binding site 1 out of 1 in the Structure of Helix Aspersa Agglutinin with Natural Glycosylation and N-Acetyl-Alpha-D-Galactosamine (Galnac)


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Structure of Helix Aspersa Agglutinin with Natural Glycosylation and N-Acetyl-Alpha-D-Galactosamine (Galnac) within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn210 b:19.2 occ:0.50 O A:ACT201 1.9 31.8 1.0 NE2 A:HIS85 2.0 17.0 1.0 C A:ACT201 2.5 15.3 1.0 OXT A:ACT201 2.5 29.0 1.0 CE1 A:HIS85 3.0 17.0 1.0 CD2 A:HIS85 3.0 16.9 1.0 CH3 A:ACT201 4.0 30.1 1.0 O A:HOH340 4.1 28.6 0.5 ND1 A:HIS85 4.1 17.7 1.0 CG A:HIS85 4.2 17.6 1.0 ND2 A:ASN86 4.5 21.8 1.0 C1 A:A2G202 4.5 18.8 1.0 O1 A:A2G202 4.7 21.0 1.0 CG A:ASN86 4.9 17.2 1.0

A.J.Pietrzyk, A.Bujacz, P.Mak, B.Potempa, T.Niedziela. Structural Studies of Helix Aspersa Agglutinin Complexed with Galnac: A Lectin That Serves As A Diagnostic Tool. Int.J.Biol.Macromol. V. 81 1059 2015.
ISSN: ISSN 0141-8130
PubMed: 26416237
DOI: 10.1016/J.IJBIOMAC.2015.09.044