3QXT

Structure of an Anti-Methotrexate CDR1-3 Graft VHH Antibody in Complex with Methotrexate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Anti-Methotrexate CDR1-3 Graft VHH	polymer	126	13702.2	2		Lama Glama (Llama)
2	C, F (A, B)	METHOTREXATE	non-polymer		454.4	2	Chemie (MTX)
3	D, E, G, H, I (A, B)	SODIUM ION	non-polymer		23.0	5	Chemie (NA)
4	J, K (A, B)	water	water		18.0	222	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	27404.3
Non-Polymers*	Number of molecules	7
	Total formula weight	1023.8
All*	Total formula weight	28428.1

*Water molecules are not included.