3X3N

Crystal structure of EccB1 of Mycobacterium tuberculosis in spacegroup P21

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	ESX-1 secretion system protein EccB1	polymer	432	46220.6	1	UniProt (I6Y4Q7) Pfam (PF05108) UniProt (by SIFTS) (P9WNR7)	Mycobacterium tuberculosis	Secretion protein EccB
2	B, C (A)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D (A)	water	water		18.0	126	Chemie (HOH)

Sequence modifications

A: 1 - 409 (UniProt: I6Y4Q7)

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

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	46220.6
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	46300.7

*Water molecules are not included.