5N1I

unliganded form of the Mycobacterium tuberculosis repressor EthR2

Replaces:  5N1C

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Probable transcriptional regulatory protein	polymer	221	24122.6	2	UniProt (O53623) Pfam (PF00440) Pfam (PF21351) In PDB	Mycobacterium tuberculosis H37Rv	TetR family transcriptional regulator,transcriptional regulatory protein EthR2
2		water	water		18.0	4	Chemie (HOH)

Sequence modifications

A, B: 1 - 201 (UniProt: O53623)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	48245.1
All*	Total formula weight	48245.1

*Water molecules are not included.