6I9F

Solution structure of As-p18 reveals that nematode fatty acid binding proteins exhibit unusual structural features

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Fatty acid-binding protein homolog	polymer	155	18346.6	1	UniProt (P55776)	Ascaris suum (Pig roundworm)	AS-P18
2	B (A)	OLEIC ACID	non-polymer		282.5	1	Chemie (OLA)

Sequence modifications

A: 1 - 143 (UniProt: P55776)

PDB	External Database	Details
Met -11	-	initiating methionine
Arg -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	18346.6
Non-Polymers*	Number of molecules	1
	Total formula weight	282.5
All*	Total formula weight	18629.0

*Water molecules are not included.