6VSX

X-ray crystal structure of the C-terminal domain of Bacillus subtilis RNA polymerase binding helicase HelD

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA helicase	polymer	188	21281.4	1	UniProt (A0A164TSE8) Pfam (PF13538) UniProt (by SIFTS) (O32215) In PDB	Bacillus subtilis
2	A	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3		water	water		18.0	109	Chemie (HOH)

Sequence modifications

A: 608 - 774 (UniProt: A0A164TSE8)

PDB	External Database	Details
Met 587	-	initiating methionine
Gly 588	-	expression tag
Ser 589	-	expression tag
Ser 590	-	expression tag
His 591	-	expression tag
His 592	-	expression tag
His 593	-	expression tag
His 594	-	expression tag
His 595	-	expression tag
His 596	-	expression tag
Ser 597	-	expression tag
Ser 598	-	expression tag
Gly 599	-	expression tag
Leu 600	-	expression tag
Val 601	-	expression tag
Pro 602	-	expression tag
Arg 603	-	expression tag
Gly 604	-	expression tag
Ser 605	-	expression tag
His 606	-	expression tag
Met 607	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	21281.4
Non-Polymers*	Number of molecules	1
	Total formula weight	95.0
All*	Total formula weight	21376.3

*Water molecules are not included.