3LCZ

B.licheniformis Anti-TRAP can assemble into two types of dodecameric particles with the same symmetry but inverted orientation of trimers

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Inhibitor of TRAP, regulated by T-BOX (Trp) sequence RtpA	polymer	53	5741.6	4	UniProt (Q65NU7) Pfam (PF15777) In PDB	Bacillus licheniformis	YczA
2	A, B, C, D	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3		water	water		18.0	113	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 53 (UniProt: Q65NU7)

PDB	External Database	Details
Leu 30	Ser 30	variant
Ile 51	Leu 51	variant
His 52	Asn 52	variant

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	22966.5
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	23228.1

*Water molecules are not included.