3IFE

1.55 Angstrom Resolution Crystal Structure of Peptidase T (pepT-1) from Bacillus anthracis str. 'Ames Ancestor'.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Peptidase T	polymer	434	48702.4	1	UniProt (Q81WU4) Pfam (PF01546) Pfam (PF07687)	Bacillus anthracis	Tripeptide aminopeptidase, Aminotripeptidase, Tripeptidase
2	B, C (B, C)	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose	branched		342.3	2	In PDB BIRD (PRD_900003)		sucrose
3	D, E (A)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
4	F (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
5	G, H (A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
6	I (A)	water	water		18.0	586	Chemie (HOH)

Sequence modifications

A: 1 - 410 (UniProt: Q81WU4)

PDB	External Database	Details
Met -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
Gly -14	-	expression tag
Val -13	-	expression tag
Asp -12	-	expression tag
Leu -11	-	expression tag
Gly -10	-	expression tag
Thr -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	48702.4
Branched	Number of molecules	2
	Total formula weight	684.6
Non-Polymers*	Number of molecules	5
	Total formula weight	345.9
All*	Total formula weight	49732.9

*Water molecules are not included.