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Neisseria PorA typing

The PorA variable region and porA allele databases have been incorporated in to the Neisseria MLST sequence definition database, allowing querying from a unified interface.

Information about the PorA variable regions can be found in Russell et al., Emerg Infect Dis 2004 10:674-8.

Database statistics

Citing the database

The preferred format for citing this website in publications is:

This publication made use of the Neisseria Multi Locus Sequence Typing website (https://pubmlst.org/ neisseria/) sited at the University of Oxford (Jolley et al. Wellcome Open Res 2018, 3:124 [version 1; referees: 2 approved]). The development of this site has been funded by the Wellcome Trust and European Union.

The preferred format for citing the MRF Meningococcus Genome Library is here.


Sequence database
Sequences: 1,252,877
MLST: 14,323
rplF species: 211
beta lactamase plasmid: 18
Bexsero Antigen Sequence Typing (BAST): 3,167
Conjugative Plasmid: 242
Cryptic Plasmid: 96
NG MAST: 18,225
N. gonorrhoeae cgMLST v1.0: 5,054
NG STAR: 831
N. meningitidis cgMLST v1.0: 15,196

Isolate database
Isolates: 49,664
Last updated: 2019-03-19