2D1P

crystal structure of heterohexameric TusBCD proteins, which are crucial for the tRNA modification

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D, G	Hypothetical UPF0163 protein yheN	polymer	140	15055.7	3	UniProt (P45532) Pfam (PF02635) In PDB	Escherichia coli	TusD
2	B, E, H	Hypothetical UPF0116 protein yheM	polymer	119	13057.0	3	UniProt (P45531) Pfam (PF02635) In PDB	Escherichia coli	TusC
3	C, F, I	Hypothetical protein yheL	polymer	95	10729.3	3	UniProt (P45530) Pfam (PF04077) In PDB	Escherichia coli	TusB
4	H	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5		water	water		18.0	284	Chemie (HOH)

Sequence modifications

A, D, G: 1 - 128 (UniProt: P45532)

PDB	External Database	Details
Met -11	-	expression tag
Arg -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	9
	Total formula weight	116525.9
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	116622.0

*Water molecules are not included.