4YFM

Class A beta-lactamase from Mycobacterium abscessus

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)	Beta-lactamase	polymer	275	30133.9	2	UniProt (A0A089SRR3) Pfam (PF13354) UniProt (by SIFTS) (B1MCI3)	Mycobacterium abscessus
2	C, E (A, B)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
3	D, F (A, B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	G, H (A, B)	water	water		18.0	469	Chemie (HOH)

Sequence modifications

A, B: 31 - 289 (UniProt: A0A089SRR3)

PDB	External Database	Details
Met 15	-	initiating methionine
His 16	-	expression tag
His 17	-	expression tag
His 18	-	expression tag
His 19	-	expression tag
His 20	-	expression tag
His 21	-	expression tag
Glu 22	-	expression tag
Asn 23	-	expression tag
Leu 24	-	expression tag
Tyr 25	-	expression tag
Phe 26	-	expression tag
Gln 27	-	expression tag
Gly 28	-	expression tag
His 29	-	expression tag
Met 30	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	60267.9
Non-Polymers*	Number of molecules	4
	Total formula weight	302.3
All*	Total formula weight	60570.2

*Water molecules are not included.