3WI5

Crystal structure of the Loop 7 mutant PorB from Neisseria meningitidis serogroup B

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Major outer membrane protein P.IB	polymer	312	33825.4	1	UniProt (P30690) Pfam (PF00267) In PDB	Neisseria meningitidis	PIB, Protein IB, Class 3 protein, Porin
2	A	CITRATE ANION	non-polymer		189.1	2	Chemie (FLC)
3		water	water		18.0	82	Chemie (HOH)

Sequence modifications

A: 2 - 313 (UniProt: P30690)

PDB	External Database	Details
Ala 259	Asp 277	engineered mutation
Lys 260	Asp 278	engineered mutation
Arg 266	Glu 284	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	33825.4
Non-Polymers*	Number of molecules	2
	Total formula weight	378.2
All*	Total formula weight	34203.6

*Water molecules are not included.