1CT9
CRYSTAL STRUCTURE OF ASPARAGINE SYNTHETASE B FROM ESCHERICHIA COLI
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000166 | molecular_function | nucleotide binding |
| A | 0004066 | molecular_function | asparagine synthase (glutamine-hydrolyzing) activity |
| A | 0004071 | molecular_function | aspartate-ammonia ligase activity |
| A | 0005524 | molecular_function | ATP binding |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| A | 0006541 | biological_process | glutamine metabolic process |
| A | 0008652 | biological_process | amino acid biosynthetic process |
| A | 0009063 | biological_process | amino acid catabolic process |
| A | 0016597 | molecular_function | amino acid binding |
| A | 0016874 | molecular_function | ligase activity |
| A | 0042802 | molecular_function | identical protein binding |
| A | 0042803 | molecular_function | protein homodimerization activity |
| A | 0070981 | biological_process | L-asparagine biosynthetic process |
| B | 0000166 | molecular_function | nucleotide binding |
| B | 0004066 | molecular_function | asparagine synthase (glutamine-hydrolyzing) activity |
| B | 0004071 | molecular_function | aspartate-ammonia ligase activity |
| B | 0005524 | molecular_function | ATP binding |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005829 | cellular_component | cytosol |
| B | 0006541 | biological_process | glutamine metabolic process |
| B | 0008652 | biological_process | amino acid biosynthetic process |
| B | 0009063 | biological_process | amino acid catabolic process |
| B | 0016597 | molecular_function | amino acid binding |
| B | 0016874 | molecular_function | ligase activity |
| B | 0042802 | molecular_function | identical protein binding |
| B | 0042803 | molecular_function | protein homodimerization activity |
| B | 0070981 | biological_process | L-asparagine biosynthetic process |
| C | 0000166 | molecular_function | nucleotide binding |
| C | 0004066 | molecular_function | asparagine synthase (glutamine-hydrolyzing) activity |
| C | 0004071 | molecular_function | aspartate-ammonia ligase activity |
| C | 0005524 | molecular_function | ATP binding |
| C | 0005737 | cellular_component | cytoplasm |
| C | 0005829 | cellular_component | cytosol |
| C | 0006541 | biological_process | glutamine metabolic process |
| C | 0008652 | biological_process | amino acid biosynthetic process |
| C | 0009063 | biological_process | amino acid catabolic process |
| C | 0016597 | molecular_function | amino acid binding |
| C | 0016874 | molecular_function | ligase activity |
| C | 0042802 | molecular_function | identical protein binding |
| C | 0042803 | molecular_function | protein homodimerization activity |
| C | 0070981 | biological_process | L-asparagine biosynthetic process |
| D | 0000166 | molecular_function | nucleotide binding |
| D | 0004066 | molecular_function | asparagine synthase (glutamine-hydrolyzing) activity |
| D | 0004071 | molecular_function | aspartate-ammonia ligase activity |
| D | 0005524 | molecular_function | ATP binding |
| D | 0005737 | cellular_component | cytoplasm |
| D | 0005829 | cellular_component | cytosol |
| D | 0006541 | biological_process | glutamine metabolic process |
| D | 0008652 | biological_process | amino acid biosynthetic process |
| D | 0009063 | biological_process | amino acid catabolic process |
| D | 0016597 | molecular_function | amino acid binding |
| D | 0016874 | molecular_function | ligase activity |
| D | 0042802 | molecular_function | identical protein binding |
| D | 0042803 | molecular_function | protein homodimerization activity |
| D | 0070981 | biological_process | L-asparagine biosynthetic process |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE IUM A 1101 |
| Chain | Residue |
| A | ASP238 |
| A | ASP351 |
| A | AMP1100 |
| A | IUM1104 |
| A | HOH1312 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE IUM A 1102 |
| Chain | Residue |
| A | ASP384 |
| A | AMP1100 |
| A | HOH1312 |
| A | GLY349 |
| A | ASP351 |
| A | GLU352 |
| A | TYR357 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE IUM A 1103 |
| Chain | Residue |
| A | GLU352 |
| A | TYR357 |
| A | LYS376 |
| A | ASP384 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE IUM A 1104 |
| Chain | Residue |
| A | SER234 |
| A | ASP238 |
| A | SER239 |
| A | AMP1100 |
| A | IUM1101 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE CL A 1105 |
| Chain | Residue |
| A | TYR149 |
| A | THR170 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE IUM B 1108 |
| Chain | Residue |
| B | ASP238 |
| B | ASP351 |
| B | AMP1107 |
| B | IUM1111 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE IUM B 1109 |
| Chain | Residue |
| B | GLU348 |
| B | GLU352 |
| B | TYR357 |
| B | ASP384 |
| B | AMP1107 |
| site_id | AC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE IUM B 1110 |
| Chain | Residue |
| B | GLU352 |
| B | TYR357 |
| B | LYS376 |
| B | ASP384 |
| site_id | AC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE IUM B 1111 |
| Chain | Residue |
| B | SER234 |
| B | ASP238 |
| B | SER239 |
| B | AMP1107 |
| B | IUM1108 |
| site_id | BC1 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL B 1112 |
| Chain | Residue |
| B | THR170 |
| site_id | BC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE IUM C 1115 |
| Chain | Residue |
| C | ASP238 |
| C | ASP351 |
| C | AMP1114 |
| C | IUM1118 |
| site_id | BC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE IUM C 1116 |
| Chain | Residue |
| C | GLU352 |
| C | ASP384 |
| C | AMP1114 |
| site_id | BC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE IUM C 1117 |
| Chain | Residue |
| C | GLU352 |
| C | TYR357 |
| C | LYS376 |
| C | ASP384 |
| site_id | BC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE IUM C 1118 |
| Chain | Residue |
| C | SER234 |
| C | GLY236 |
| C | ASP238 |
| C | AMP1114 |
| C | IUM1115 |
| site_id | BC6 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL C 1119 |
| Chain | Residue |
| C | THR170 |
| site_id | BC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE IUM D 1122 |
| Chain | Residue |
| D | ASP238 |
| D | GLY347 |
| D | ASP351 |
| D | AMP1121 |
| D | IUM1123 |
| D | HOH1278 |
| site_id | BC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE IUM D 1123 |
| Chain | Residue |
| D | GLY349 |
| D | GLU352 |
| D | ASP384 |
| D | IUM1122 |
| site_id | BC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE IUM D 1124 |
| Chain | Residue |
| D | GLU352 |
| D | TYR357 |
| D | ASP384 |
| D | HOH1305 |
| site_id | CC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE IUM D 1125 |
| Chain | Residue |
| D | SER234 |
| D | GLY236 |
| D | SER239 |
| D | AMP1121 |
| D | HOH1278 |
| site_id | CC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CL D 1126 |
| Chain | Residue |
| D | TYR149 |
| D | THR170 |
| D | ILE171 |
| D | LYS172 |
| D | HOH1261 |
| site_id | CC3 |
| Number of Residues | 17 |
| Details | BINDING SITE FOR RESIDUE AMP A 1100 |
| Chain | Residue |
| A | IUM1104 |
| A | LEU232 |
| A | LEU233 |
| A | SER234 |
| A | SER239 |
| A | PHE270 |
| A | ALA271 |
| A | VAL272 |
| A | ASP279 |
| A | MET332 |
| A | SER346 |
| A | GLY347 |
| A | GLU348 |
| A | ASP351 |
| A | ASP384 |
| A | IUM1101 |
| A | IUM1102 |
| site_id | CC4 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE GLN A 1106 |
| Chain | Residue |
| A | ALA1 |
| A | ARG49 |
| A | LEU50 |
| A | ILE52 |
| A | VAL53 |
| A | ASN74 |
| A | GLY75 |
| A | GLU76 |
| A | ASP98 |
| A | HOH1109 |
| A | HOH1133 |
| site_id | CC5 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE AMP B 1107 |
| Chain | Residue |
| B | LEU232 |
| B | LEU233 |
| B | SER234 |
| B | ASP238 |
| B | SER239 |
| B | PHE270 |
| B | ALA271 |
| B | VAL272 |
| B | SER346 |
| B | GLY347 |
| B | GLU348 |
| B | ASP351 |
| B | ASP384 |
| B | IUM1108 |
| B | IUM1109 |
| B | IUM1111 |
| site_id | CC6 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE GLN B 1113 |
| Chain | Residue |
| B | ALA1 |
| B | ARG49 |
| B | LEU50 |
| B | ILE52 |
| B | VAL53 |
| B | ASN74 |
| B | GLY75 |
| B | GLU76 |
| B | ASP98 |
| B | HOH1116 |
| B | HOH1141 |
| site_id | CC7 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE AMP C 1114 |
| Chain | Residue |
| C | LEU232 |
| C | LEU233 |
| C | SER234 |
| C | ASP238 |
| C | SER239 |
| C | PHE270 |
| C | ALA271 |
| C | VAL272 |
| C | MET332 |
| C | SER346 |
| C | GLY347 |
| C | GLU348 |
| C | ASP351 |
| C | ASP384 |
| C | ARG387 |
| C | IUM1115 |
| C | IUM1116 |
| C | IUM1118 |
| site_id | CC8 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE GLN C 1120 |
| Chain | Residue |
| C | ALA1 |
| C | ARG49 |
| C | LEU50 |
| C | ILE52 |
| C | VAL53 |
| C | ASN74 |
| C | GLY75 |
| C | GLU76 |
| C | ASP98 |
| C | CYS99 |
| C | HOH1165 |
| site_id | CC9 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE AMP D 1121 |
| Chain | Residue |
| D | LEU232 |
| D | LEU233 |
| D | SER234 |
| D | SER239 |
| D | PHE270 |
| D | ALA271 |
| D | VAL272 |
| D | MET332 |
| D | SER346 |
| D | GLY347 |
| D | GLU348 |
| D | ASP384 |
| D | IUM1122 |
| D | IUM1125 |
| site_id | DC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE GLN D 1127 |
| Chain | Residue |
| D | ALA1 |
| D | ARG49 |
| D | LEU50 |
| D | ILE52 |
| D | VAL53 |
| D | ASN74 |
| D | GLY75 |
| D | GLU76 |
| D | ASP98 |
| D | HOH1155 |
| D | HOH1181 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 40 |
| Details | Binding site: {} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 4 |
| Details | Site: {"description":"Important for beta-aspartyl-AMP intermediate formation"} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 5 |
| Details | M-CSA 302 |
| Chain | Residue | Details |
| A | LEU50 | electrostatic stabiliser, hydrogen bond acceptor |
| A | ASN74 | electrostatic stabiliser, hydrogen bond donor |
| A | GLY75 | electrostatic stabiliser, hydrogen bond donor |
| A | THR321 | electrostatic stabiliser, hydrogen bond donor |
| A | ARG324 | electrostatic stabiliser, hydrogen bond donor |
| site_id | MCSA2 |
| Number of Residues | 5 |
| Details | M-CSA 302 |
| Chain | Residue | Details |
| B | LEU50 | electrostatic stabiliser, hydrogen bond acceptor |
| B | ASN74 | electrostatic stabiliser, hydrogen bond donor |
| B | GLY75 | electrostatic stabiliser, hydrogen bond donor |
| B | THR321 | electrostatic stabiliser, hydrogen bond donor |
| B | ARG324 | electrostatic stabiliser, hydrogen bond donor |
| site_id | MCSA3 |
| Number of Residues | 5 |
| Details | M-CSA 302 |
| Chain | Residue | Details |
| C | LEU50 | electrostatic stabiliser, hydrogen bond acceptor |
| C | ASN74 | electrostatic stabiliser, hydrogen bond donor |
| C | GLY75 | electrostatic stabiliser, hydrogen bond donor |
| C | THR321 | electrostatic stabiliser, hydrogen bond donor |
| C | ARG324 | electrostatic stabiliser, hydrogen bond donor |
| site_id | MCSA4 |
| Number of Residues | 5 |
| Details | M-CSA 302 |
| Chain | Residue | Details |
| D | LEU50 | electrostatic stabiliser, hydrogen bond acceptor |
| D | ASN74 | electrostatic stabiliser, hydrogen bond donor |
| D | GLY75 | electrostatic stabiliser, hydrogen bond donor |
| D | THR321 | electrostatic stabiliser, hydrogen bond donor |
| D | ARG324 | electrostatic stabiliser, hydrogen bond donor |






