1C3O

CRYSTAL STRUCTURE OF THE CARBAMOYL PHOSPHATE SYNTHETASE: SMALL SUBUNIT MUTANT C269S WITH BOUND GLUTAMINE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G (A, C, E, G)	CARBAMOYL PHOSPHATE SYNTHETASE: LARGE SUBUNIT	polymer	1073	117981.8	4	UniProt (P00968) Pfam (PF02786) Pfam (PF02787) Pfam (PF02142)	Escherichia coli
2	B, D, F, H (B, D, F, H)	CARBAMOYL PHOSPHATE SYNTHETASE: SMALL SUBUNIT	polymer	382	41465.8	4	UniProt (P00907) Pfam (PF00988) Pfam (PF00117) Pfam (PF07722) UniProt (by SIFTS) (P0A6F1)	Escherichia coli
3	BB, BC, CB, EA, FA... (E, G, C, A)	MANGANESE (II) ION	non-polymer		54.9	12	Chemie (MN)
4	AB, AC, CA, CC, DB... (E, G, B, C, A...)	POTASSIUM ION	non-polymer		39.1	32	Chemie (K)
5	BA, EC, FC, GC, IB... (B, G, E, C, A...)	CHLORIDE ION	non-polymer		35.5	16	Chemie (CL)
6	KC, NB, OB, RA, V (G, E, C, A)	PHOSPHATE ION	non-polymer		95.0	5	Chemie (PO4)
7	LC, MC, PB, QB, VA... (G, E, C, A)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	8	Chemie (ADP)
8	NC, RB, SA, Y (G, E, C, A)	L-ornithine	non-polymer		132.2	4	Chemie (ORN)
9	DA, OC, SB, SC, TA... (B, G, E, H, C...)	GLUTAMINE	non-polymer		146.1	8	Chemie (GLN)
10	AA, PC, TB, UA (A, G, E, C)	TETRAETHYLAMMONIUM ION	non-polymer		130.3	4	Chemie (NET)
11	AD, TC, UC, VC, WC... (H, A, B, C, D...)	water	water		18.0	3666	Chemie (HOH)

Sequence modifications

B, D, F, H: 1 - 382 (UniProt: P00907)

PDB	External Database	Details
Ser 269	Cys 269	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	637790.3
Non-Polymers*	Number of molecules	89
	Total formula weight	8588.9
All*	Total formula weight	646379.2

*Water molecules are not included.