3LXM

2.00 Angstrom resolution crystal structure of a catalytic subunit of an aspartate carbamoyltransferase (pyrB) from Yersinia pestis CO92

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (A, B, C)	Aspartate carbamoyltransferase	polymer	335	37342.3	3	UniProt (Q8ZB39) Pfam (PF02729) Pfam (PF00185)	Yersinia pestis	Aspartate transcarbamylase, ATCase
2	D (A)	TETRAETHYLENE GLYCOL	non-polymer		194.2	1	Chemie (PG4)
3	E, F, G (A, B, C)	water	water		18.0	448	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 311 (UniProt: Q8ZB39)

PDB	External Database	Details
Met -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
Gly -14	-	expression tag
Val -13	-	expression tag
Asp -12	-	expression tag
Leu -11	-	expression tag
Gly -10	-	expression tag
Thr -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	112026.8
Non-Polymers*	Number of molecules	1
	Total formula weight	194.2
All*	Total formula weight	112221.0

*Water molecules are not included.