6MCJ

Structure of Helical Carotenoid Protein 2 from Fremyella diplosiphon

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Orange carotenoid-binding protein	polymer	163	18512.7	2	UniProt (A0A0D6L0Q7) Pfam (PF09150) In PDB	Tolypothrix sp. PCC 7601
2	A, B	beta,beta-carotene-4,4'-dione	non-polymer		564.8	2	Chemie (45D)
3	A, B	IODIDE ION	non-polymer		126.9	8	Chemie (IOD)
4	A	PENTAETHYLENE GLYCOL	non-polymer		238.3	1	Chemie (1PE)
5		water	water		18.0	168	Chemie (HOH)

Sequence modifications

A, B: 0 - 148 (UniProt: A0A0D6L0Q7)

PDB	External Database	Details
Gly 149	-	expression tag
Ser 150	-	expression tag
Ser 151	-	expression tag
Ala 152	-	expression tag
His 153	-	expression tag
His 154	-	expression tag
His 155	-	expression tag
His 156	-	expression tag
His 157	-	expression tag
His 158	-	expression tag
His 159	-	expression tag
His 160	-	expression tag
His 161	-	expression tag
His 162	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	37025.3
Non-Polymers*	Number of molecules	11
	Total formula weight	2383.2
All*	Total formula weight	39408.5

*Water molecules are not included.