6A6G

Crystal structure of thermostable FiSufS-SufU complex from thermophilic Fervidobacterium Islandicum AW-1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Cysteine desulfurase	polymer	425	47644.3	2	UniProt (A0A1B0VPZ3) Pfam (PF00266) In PDB	Fervidobacterium islandicum	SufS
2	C, D	Iron-sulfur cluster assembly scaffold protein NifU	polymer	138	15887.5	2	UniProt (A0A1B0VLW5) Pfam (PF01592) In PDB	Fervidobacterium islandicum	SufE
3	A, B	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
4	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
5	B	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
6	C, D	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
7		water	water		18.0	458	Chemie (HOH)

Sequence modifications

A, B: 1 - 421 (UniProt: A0A1B0VPZ3)

PDB	External Database	Details
Ser -3	-	expression tag
Ser -2	-	expression tag
Gly -1	-	expression tag
His 0	-	expression tag

C, D: 1 - 135 (UniProt: A0A1B0VLW5)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	127063.5
Non-Polymers*	Number of molecules	8
	Total formula weight	994.8
All*	Total formula weight	128058.3

*Water molecules are not included.