4D8I

High resolution structures of monomeric S. pyogenes SpeB reveals role of glycine-rich active site loop

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Streptopain	polymer	261	28681.7	1	UniProt (E0PTS8) In PDB	Streptococcus pyogenes
2	B	ACE-AEIK-CHO ALDEHYDE (BOUND FORM)	polymer	5	471.6	1	BIRD (PRD_000793)
3	A	NITRATE ION	non-polymer		62.0	1	Chemie (NO3)
4		water	water		18.0	377	Chemie (HOH)

Sequence modifications

A: 146 - 398 (UniProt: E0PTS8)

PDB	External Database	Details
Leu 399	-	EXPRESSION TAG
Glu 400	-	EXPRESSION TAG
His 401	-	EXPRESSION TAG
His 402	-	EXPRESSION TAG
His 403	-	EXPRESSION TAG
His 404	-	EXPRESSION TAG
His 405	-	EXPRESSION TAG
His 406	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29153.3
Non-Polymers*	Number of molecules	1
	Total formula weight	62.0
All*	Total formula weight	29215.3

*Water molecules are not included.