5H9A

Crystal structure of the Apo form of human cellular retinol binding protein 1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Retinol-binding protein 1	polymer	140	16568.9	1	UniProt (P09455) Pfam (PF00061) In PDB	Homo sapiens (Human)	Cellular retinol-binding protein,CRBP,Cellular retinol-binding protein I,CRBP-I
2	A	2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		209.2	1	Chemie (BTB)
3		water	water		18.0	168	Chemie (HOH)

Sequence modifications

A: 1 - 134 (UniProt: P09455)

PDB	External Database	Details
His 135	-	expression tag
His 136	-	expression tag
His 137	-	expression tag
His 138	-	expression tag
His 139	-	expression tag
His 140	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	16568.9
Non-Polymers*	Number of molecules	1
	Total formula weight	209.2
All*	Total formula weight	16778.1

*Water molecules are not included.