Calcium in PDB 4r3k: Crystal Structure of ARD1 N-Terminal Acetyltransferase From Sulfolobus Solfataricus Bound to Coa

The structure of Crystal Structure of ARD1 N-Terminal Acetyltransferase From Sulfolobus Solfataricus Bound to Coa, PDB code: 4r3k was solved by Y.Y.Chang, C.H.Hsu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	22.15 / 2.13
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	35.353, 58.224, 85.265, 90.00, 90.00, 90.00
R / Rfree (%)	17.2 / 21.7

The binding sites of Calcium atom in the Crystal Structure of ARD1 N-Terminal Acetyltransferase From Sulfolobus Solfataricus Bound to Coa (pdb code 4r3k). 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 ARD1 N-Terminal Acetyltransferase From Sulfolobus Solfataricus Bound to Coa, PDB code: 4r3k:

Calcium binding site 1 out of 1 in the Crystal Structure of ARD1 N-Terminal Acetyltransferase From Sulfolobus Solfataricus Bound to Coa


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 ARD1 N-Terminal Acetyltransferase From Sulfolobus Solfataricus Bound to Coa within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca403 b:61.9 occ:1.00 N A:ARG129 3.2 28.9 1.0 ND2 A:ASN132 3.2 38.3 1.0 C2P A:COA400 3.5 39.9 1.0 CG A:ARG129 3.7 44.0 1.0 CB A:ARG129 3.7 37.4 1.0 S1P A:COA400 3.8 74.6 1.0 OH A:TYR154 4.0 39.3 1.0 CA A:VAL128 4.0 28.1 1.0 CA A:ARG129 4.1 30.1 1.0 C A:VAL128 4.1 28.9 1.0 CG2 A:VAL128 4.1 31.1 1.0 CD A:ARG129 4.2 54.3 1.0 CB A:ASN132 4.2 28.6 1.0 CG A:ASN132 4.2 39.8 1.0 CZ A:TYR154 4.6 38.8 1.0 CB A:VAL128 4.6 29.6 1.0 NE A:ARG129 4.7 63.5 1.0 C3P A:COA400 4.7 36.7 1.0 O5P A:COA400 4.8 34.0 1.0 O A:GLU127 4.9 31.4 1.0 CE1 A:TYR154 5.0 35.1 1.0

Y.Y.Chang, C.H.Hsu. Structural Basis For Substrate-Specific Acetylation of N Alpha-Acetyltransferase ARD1 From Sulfolobus Solfataricus Sci Rep V. 5 8673 2015.
ISSN: ESSN 2045-2322
PubMed: 25728374
DOI: 10.1038/SREP08673