819129 -OEChem-06260803543D 1 0 0 0 0 0 0 0 0999 V2000 35.2680 48.7850 23.8810 Zn 0 0 0 0 0 0 0 0 0 0 0 0 M END > 0 > 0 > 819129 > 6 > MMDB > ZN > 183.5 > PDB Accession Code 1ACM Arginine 54 In The Active Site Of Escherichia Coli Aspartate Transcarbamoylase Is Critical For Catalysis: A Site-Specific Mutagenesis, Nmr And X-Ray Crystallography Study Transferase (Carbamoyl-P,Aspartate) Arginine 54 In The Active Site Of Escherichia Coli Aspartate Transcarbamoylase Is Critical For Catalysis: A Site-Specific Mutagenesis, Nmr And X-Ray Crystallography Study Transferase (Carbamoyl-P,Aspartate) Mol_id: 1; Molecule: Aspartate Carbamoyltransferase, Catalytic Chain; Chain: A, C; Ec: 2.1.3.2; Engineered: Yes; Mol_id: 2; Molecule: Aspartate Carbamoyltransferase Regulatory Chain; Chain: B, D; Engineered: Yes > ZN > 183.5 > 183 > http://www.ncbi.nlm.nih.gov/Structure/MMDB/mmdb.shtml > http://www.ncbi.nlm.nih.gov/Structure/mmdb/mmdbsrv.cgi?uid=183 > 23994 1 $$$$