6P1Y

Crystal structure of Mtb aspartate decarboxylase mutant M117I

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Aspartate 1-decarboxylase beta chain	polymer	24	2751.3	1	UniProt (P9WIL3) In PDB	Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
2	B	Aspartate 1-decarboxylase alpha chain	polymer	123	13203.7	1	UniProt (P9WIL3) Pfam (PF02261) In PDB	Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)	Aspartate alpha-decarboxylase
3	A	AMMONIUM ION	non-polymer		18.0	1	Chemie (NH4)
4	B	L(+)-TARTARIC ACID	non-polymer		150.1	1	Chemie (TLA)
5		water	water		18.0	39	Chemie (HOH)

Sequence modifications

B: 25 - 139 (UniProt: P9WIL3)

PDB	External Database	Details
Pyr 25	Ser 25	modified residue
Ile 117	Met 117	engineered mutation
Leu 140	-	expression tag
Glu 141	-	expression tag
His 142	-	expression tag
His 143	-	expression tag
His 144	-	expression tag
His 145	-	expression tag
His 146	-	expression tag
His 147	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	15955.1
Non-Polymers*	Number of molecules	2
	Total formula weight	168.1
All*	Total formula weight	16123.2

*Water molecules are not included.