5HWE

high resolution structure of barbiturase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Barbiturase	polymer	389	41188.2	1	UniProt (Q8RSQ2) Pfam (PF09663) In PDB	Rhodococcus erythropolis
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	A	(CARBAMOYLMETHYL-CARBOXYMETHYL-AMINO)-ACETIC ACID	non-polymer		190.2	1	Chemie (MHA)
5		water	water		18.0	295	Chemie (HOH)

Sequence modifications

A: 1 - 369 (UniProt: Q8RSQ2)

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
Ser 287	Asn 287	conflict

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	41188.2
Non-Polymers*	Number of molecules	3
	Total formula weight	310.5
All*	Total formula weight	41498.7

*Water molecules are not included.