6MTG

A Single Reactive Noncanonical Amino Acid is Able to Dramatically Stabilize Protein Structure

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Homoserine O-succinyltransferase	polymer	302	35084.3	2	UniProt (P07623) Pfam (PF04204) In PDB	Escherichia coli (strain K12)	HST,Homoserine transsuccinylase,HTS
2	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
3	A, B	FORMIC ACID	non-polymer		46.0	5	Chemie (FMT)
4	B	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
5		water	water		18.0	544	Chemie (HOH)

Sequence modifications

A, B: 1 - 296 (UniProt: P07623)

PDB	External Database	Details
Ile 257	Pro 257	engineered mutation
His 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	70168.7
Non-Polymers*	Number of molecules	8
	Total formula weight	534.5
All*	Total formula weight	70703.1

*Water molecules are not included.