4M3K

Structure of a single domain camelid antibody fragment cAb-H7S in complex with the BlaP beta-lactamase from Bacillus licheniformis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Beta-lactamase	polymer	273	30412.3	1	UniProt (P00808) Pfam (PF00144)	Bacillus licheniformis	Penicillinase, Large exopenicillinase, Small exopenicillinase
2	B (B)	Camelid heavy-chain antibody variable fragment cAb-H7S	polymer	126	13524.9	1		Lama glama
3	C, D (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	E, F (A, B)	water	water		18.0	269	Chemie (HOH)

Sequence modifications

A: 27 - 295 (UniProt: P00808)

PDB	External Database	Details
Pro 197	-	insertion
Gly 197	-	insertion
Gly 296	-	expression tag
Pro 297	-	expression tag
His 298	-	expression tag
His 299	-	expression tag
His 300	-	expression tag
His 301	-	expression tag
His 302	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	43937.2
Non-Polymers*	Number of molecules	2
	Total formula weight	70.9
All*	Total formula weight	44008.2

*Water molecules are not included.