3KEW

Crystal structure of probable alanyl-trna-synthase from Clostridium perfringens

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	DHHA1 domain protein	polymer	241	27861.9	2	UniProt (Q0TT74) Pfam (PF07973) UniProt (by SIFTS) (A0A0H2YPJ4)	Clostridium perfringens	ALANYL-TRNA-SYNTHASE
2	C, D (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	E, F (A, B)	water	water		18.0	156	Chemie (HOH)

Sequence modifications

A, B: 2 - 231 (UniProt: Q0TT74)

PDB	External Database	Details
Met -1	-	expression tag
Ser 0	-	expression tag
Leu 1	-	expression tag
Glu 232	-	expression tag
Gly 233	-	expression tag
His 234	-	expression tag
His 235	-	expression tag
His 236	-	expression tag
His 237	-	expression tag
His 238	-	expression tag
His 239	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	55723.9
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	55854.7

*Water molecules are not included.