4A8T

Crystal structure of putrescine transcarbamylase from Enterococcus faecalis lacking its C-terminal Helix, with bound N5-(phosphonoacetyl) -L-ornithine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	PUTRESCINE CARBAMOYLTRANSFERASE	polymer	339	38377.3	1	UniProt (Q837U7) Pfam (PF02729) Pfam (PF00185) In PDB	ENTEROCOCCUS FAECALIS	PTC, PTCASE, AGMATINE CATABOLISM PROTEIN B, PUTRESCINE TRANSCARBAMOYLASE, PUTRESCINE TRANSCARBAMYLASE
2	A	N-(PHOSPHONOACETYL)-L-ORNITHINE	non-polymer		254.2	1	Chemie (PAO)
3	A	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
4	A	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
5		water	water		18.0	387	Chemie (HOH)

Sequence modifications

A: 1 - 317 (UniProt: Q837U7)

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

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	38377.3
Non-Polymers*	Number of molecules	3
	Total formula weight	463.0
All*	Total formula weight	38840.3

*Water molecules are not included.