5ZTB

Structure of Sulfurtransferase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	E, D, F	Sulfur carrier protein TtuB	polymer	74	8379.4	3	UniProt (Q72LF4) Pfam (PF02597) In PDB	Thermus thermophilus (strain HB27 / ATCC BAA-163 / DSM 7039)	2-thiouridine synthesis sulfur carrier protein TtuB,Ubiquitin-like S-donor protein TtuB,Ubiquitin-like protein modifier TtuB,tRNA two-thiouridine-synthesizing protein B
2	B, A, C	tRNA-5-methyluridine(54) 2-sulfurtransferase	polymer	321	36252.2	3	UniProt (Q72LF3) Pfam (PF01171) In PDB	Thermus thermophilus (strain HB27 / ATCC BAA-163 / DSM 7039)	2-thiouridine synthetase TtuA,tRNA two-thiouridine-synthesizing protein A
3	E	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
4	B, A, C	IRON/SULFUR CLUSTER	non-polymer		351.6	3	Chemie (SF4)
5	B, A, C	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
6	B, A, C	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	3	Chemie (ATP)
7	B, A, C	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
8		water	water		18.0	111	Chemie (HOH)

Sequence modifications

E, D, F: 2 - 65 (UniProt: Q72LF4)

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

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	133895.0
Non-Polymers*	Number of molecules	20
	Total formula weight	3733.5
All*	Total formula weight	137628.4

*Water molecules are not included.