1M9N
CRYSTAL STRUCTURE OF THE HOMODIMERIC BIFUNCTIONAL TRANSFORMYLASE AND CYCLOHYDROLASE ENZYME AVIAN ATIC IN COMPLEX WITH AICAR AND XMP AT 1.93 ANGSTROMS.
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | AICAR TRANSFORMYLASE-IMP CYCLOHYDROLASE | polymer | 613 | 66669.1 | 2 | UniProt (P31335) Pfam (PF02142) Pfam (PF01808) In PDB | Gallus gallus (chicken) | BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH [INCLUDES PHOSPHORIBOSYLAMINOIMIDAZOLECARBOXAMIDE FORMYLTRANSFERASE (AICAR TRANSFORMYLASE) AND IMP CYCLOHYDROLASE (INOSINICASE, IMP SYNTHETASE, ATIC)] |
2 | A, B | POTASSIUM ION | non-polymer | 39.1 | 2 | Chemie (K) | |||
3 | A, B | AMINOIMIDAZOLE 4-CARBOXAMIDE RIBONUCLEOTIDE | non-polymer | 338.2 | 2 | Chemie (AMZ) | |||
4 | A, B | XANTHOSINE-5'-MONOPHOSPHATE | non-polymer | 365.2 | 2 | Chemie (XMP) | |||
5 | water | water | 18.0 | 511 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 593 (UniProt: P31335)
PDB | External Database | Details |
---|---|---|
Met -19 | - | expression tag |
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 | - | insertion |
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 |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 133338.2 | |
Non-Polymers* | Number of molecules | 6 |
Total formula weight | 1485.0 | |
All* | Total formula weight | 134823.2 |