6QQL

Crystal structure of Porphyromonas gingivalis glutaminyl cyclase

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)	Glutamine cyclotransferase	polymer	317	34790.4	2	UniProt (Q7MT37) Pfam (PF04389)	Porphyromonas gingivalis W83
2	C, D (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	E, F (A, B)	water	water		18.0	78	Chemie (HOH)

Sequence modifications

A, B: 21 - 333 (UniProt: Q7MT37)

PDB	External Database	Details
Gly 17	-	expression tag
Ser 18	-	expression tag
His 19	-	expression tag
Met 20	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	69580.8
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	69711.6

*Water molecules are not included.