4W8G

Crystal structure of the TIR domain of the Toll-related Receptor TRR-2 from the lower metazoan Hydra magnipapillata (crystal form I)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Toll-receptor-related 2	polymer	135	16159.4	1	UniProt (A6M946) Pfam (PF13676) In PDB	Hydra vulgaris (Hydra)
2		water	water		18.0	7	Chemie (HOH)

Sequence modifications

A: 95 - 221 (UniProt: A6M946)

PDB	External Database	Details
Met 93	-	initiating methionine
Gly 94	-	expression tag
Lys 118	Glu 118	conflict
Leu 119	Val 119	conflict
His 222	-	expression tag
His 223	-	expression tag
His 224	-	expression tag
His 225	-	expression tag
His 226	-	expression tag
His 227	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	16159.4
All*	Total formula weight	16159.4

*Water molecules are not included.