Fluorine in PDB 1g46: Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide

All present enzymatic activity of Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide:
4.2.1.1;

The structure of Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide, PDB code: 1g46 was solved by C.-Y.Kim, J.S.Chang, J.B.Doyon, T.T.Baird Jr., C.A.Fierke, A.Jain, D.W.Christianson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.84
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	42.860, 41.840, 72.810, 90.00, 104.70, 90.00
R / Rfree (%)	18.5 / 23.6

The structure of Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide also contains other interesting chemical elements:

Mercury	(Hg)	1 atom
Zinc	(Zn)	1 atom

The binding sites of Fluorine atom in the Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide (pdb code 1g46). This binding sites where shown within 5.0 Angstroms radius around Fluorine atom.
In total 2 binding sites of Fluorine where determined in the Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide, PDB code: 1g46:
Jump to Fluorine binding site number: 1; 2;

Fluorine binding site 1 out of 2 in the Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide


Mono view


Stereo pair view

A full contact list of Fluorine with other atoms in the F binding site number 1 of Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide within 5.0Å range: probe atom residue distance (Å) B Occ A:F555 b:1.9 occ:1.00 F21 A:F2B555 0.0 1.9 1.0 C19 A:F2B555 0.9 34.2 1.0 C18 A:F2B555 2.0 33.1 1.0 C20 A:F2B555 2.1 32.8 1.0 F22 A:F2B555 2.5 3.6 1.0 C17 A:F2B555 3.3 35.0 1.0 C15 A:F2B555 3.3 33.9 1.0 C16 A:F2B555 3.8 33.6 1.0 C10 A:F2B555 4.6 32.2 1.0

Fluorine binding site 2 out of 2 in the Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide


Mono view


Stereo pair view

A full contact list of Fluorine with other atoms in the F binding site number 2 of Carbonic Anhydrase II (F131V) Complexed with 4-(Aminosulfonyl)-N-[(2, 3-Difluorophenyl)Methyl]-Benzamide within 5.0Å range: probe atom residue distance (Å) B Occ A:F555 b:3.6 occ:1.00 F22 A:F2B555 0.0 3.6 1.0 C20 A:F2B555 1.1 32.8 1.0 C19 A:F2B555 2.2 34.2 1.0 C15 A:F2B555 2.3 33.9 1.0 F21 A:F2B555 2.5 1.9 1.0 C10 A:F2B555 2.8 32.2 1.0 C18 A:F2B555 3.5 33.1 1.0 C16 A:F2B555 3.5 33.6 1.0 C17 A:F2B555 4.0 35.0 1.0 N09 A:F2B555 4.2 27.8 1.0

C.-Y.Kim, J.S.Chang, J.B.Doyon, T.T.Baird Jr., C.A.Fierke, A.Jain, D.W.Christianson. Contribution of Flourine to Protein-Ligand Affinity in the Binding of Flouroaromatic Inhibitors to Carbonic Anhydrase II J.Am.Chem.Soc. V. 122 12125 2000.
ISSN: ISSN 0002-7863
DOI: 10.1021/JA002627N