7CUD

Crystal structure of HID in the unbound form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Amino acid ABC transporter substrate-binding protein	polymer	124	13702.4	1	UniProt (B0LFQ8) Pfam (PF07550) In PDB	Streptococcus pyogenes	DUF1533 domain-containing protein,Heme-binding protein Shr
2	A	BROMIDE ION	non-polymer		79.9	1	Chemie (BR)
3		water	water		18.0	112	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	13702.4
Non-Polymers*	Number of molecules	1
	Total formula weight	79.9
All*	Total formula weight	13782.3

*Water molecules are not included.