2IMO

Crystal structure of allantoate amidohydrolase from Escherichia coli at pH 4.6

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)	Allantoate amidohydrolase	polymer	423	47756.7	2	UniProt (P77425) Pfam (PF01546)	Escherichia coli
2	C, D (A, B)	water	water		18.0	57	Chemie (HOH)

Sequence modifications

A, B: 4 - 413 (UniProt: P77425)

PDB	External Database	Details
Mse 1	-	cloning artifact
Ser 2	-	cloning artifact
Leu 3	-	cloning artifact
Mse 29	Met 27	modified residue
Mse 49	Met 47	modified residue
Mse 125	Met 123	modified residue
Mse 167	Met 165	modified residue
Mse 234	Met 232	modified residue
Mse 258	Met 256	modified residue
Mse 308	Met 306	modified residue
Mse 315	Met 313	modified residue
Mse 325	Met 323	modified residue
Mse 332	Met 330	modified residue
Mse 354	Met 352	modified residue
Mse 373	Met 371	modified residue
Mse 405	Met 403	modified residue
Glu 414	-	expression tag
Gly 415	-	expression tag
Gly 416	-	expression tag
Ser 417	-	expression tag
His 418	-	expression tag
His 419	-	expression tag
His 420	-	expression tag
His 421	-	expression tag
His 422	-	expression tag
His 423	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	95513.5
All*	Total formula weight	95513.5

*Water molecules are not included.