4LQC

The crystal structures of the Brucella protein TcpB and the TLR adaptor protein TIRAP show structural differences in microbial TIR mimicry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	TcpB	polymer	148	16880.2	2	UniProt (Q8YF53) Pfam (PF13676) In PDB	Brucella melitensis
2		water	water		18.0	52	Chemie (HOH)

Sequence modifications

A, B: 113 - 250 (UniProt: Q8YF53)

PDB	External Database	Details
Ala 124	Ser 124	engineered mutation
Ile 127	Ser 127	engineered mutation
Ser 251	-	expression tag
Ala 252	-	expression tag
Trp 253	-	expression tag
Ser 254	-	expression tag
His 255	-	expression tag
Pro 256	-	expression tag
Gln 257	-	expression tag
Phe 258	-	expression tag
Glu 259	-	expression tag
Lys 260	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	33760.3
All*	Total formula weight	33760.3

*Water molecules are not included.