5TKV
X-RAY CRYSTAL STRUCTURE OF THE "CLOSED" CONFORMATION OF CTP-INHIBITED E. COLI CYTIDINE TRIPHOSPHATE (CTP) SYNTHETASE
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | CTP synthase | polymer | 565 | 62586.3 | 2 | UniProt (P0A7E5) Pfam (PF06418) Pfam (PF00117) Pfam (PF07722) In PDB | Escherichia coli (strain K12) | Cytidine 5'-triphosphate synthase,Cytidine triphosphate synthetase,CTPS,UTP--ammonia ligase |
2 | A, B | GLUTAMINE | non-polymer | 146.1 | 2 | Chemie (GLN) | |||
3 | A, B | SULFATE ION | non-polymer | 96.1 | 8 | Chemie (SO4) | |||
4 | A, B | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 2 | Chemie (MPD) | |||
5 | A, B | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
6 | B | CYTIDINE-5'-TRIPHOSPHATE | non-polymer | 483.2 | 2 | Chemie (CTP) | |||
7 | B | (4R)-2-METHYLPENTANE-2,4-DIOL | non-polymer | 118.2 | 2 | Chemie (MRD) | |||
8 | water | water | 18.0 | 370 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 545 (UniProt: P0A7E5)
PDB | External Database | Details |
---|---|---|
Met -19 | - | initiating methionine |
Gly -18 | - | expression tag |
Ser -17 | - | expression tag |
Ser -16 | - | expression tag |
His -15 | - | expression tag |
His -14 | - | expression tag |
His -13 | - | expression tag |
His -12 | - | expression tag |
His -11 | - | expression tag |
His -10 | - | expression tag |
Ser -9 | - | expression tag |
Ser -8 | - | expression tag |
Gly -7 | - | expression tag |
Leu -6 | - | expression tag |
Val -5 | - | expression tag |
Pro -4 | - | expression tag |
Arg -3 | - | expression tag |
Gly -2 | - | expression tag |
Ser -1 | - | expression tag |
His 0 | - | expression tag |
Ala 268 | Cys 268 | conflict |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 125172.6 | |
Non-Polymers* | Number of molecules | 18 |
Total formula weight | 2548.4 | |
All* | Total formula weight | 127721.0 |