These proteins given per organism are involved in a DNA repair process;
mismatch repair( GO:0006298 ):

Agrobacterium tumefaciens str. C58( 2 entries )

MUTL_AGRT5
MUTS_AGRT5

Aquifex aeolicus( 2 entries )

MUTL_AQUAE
MUTS_AQUAE

Arabidopsis thaliana( 4 entries )

MSH2_ARATH
MSH3_ARATH
MSH6_ARATH
MSH7_ARATH

Bacillus anthracis( 1 entries )

Bacillus halodurans( 2 entries )

MUTL_BACHD
MUTS_BACHD

Bacillus subtilis( 2 entries )

MUTL_BACSU
MUTS_BACSU

Bordetella bronchiseptica( 1 entries )

Bordetella parapertussis( 1 entries )

Bordetella pertussis( 1 entries )

Borrelia burgdorferi( 2 entries )

MUTL_BORBU
MUTS_BORBU

Bradyrhizobium japonicum( 1 entries )

Brucella melitensis( 2 entries )

MUTL_BRUME
MUTS_BRUME

Brucella melitensis biovar Suis( 2 entries )

MUTL_BRUSU
MUTS_BRUSU

Buchnera aphidicola (Schizaphis graminum)( 2 entries )

MUTL_BUCAP
MUTS_BUCAP

Caenorhabditis elegans( 1 entries )

Chlamydia trachomatis( 2 entries )

MUTL_CHLTR
MUTS_CHLTR

Chlamydophila pneumoniae( 2 entries )

MUTL_CHLPN
MUTS_CHLPN

Chlorobium tepidum( 2 entries )

MUTL_CHLTE
MUTS_CHLTE

Clostridium acetobutylicum( 2 entries )

MUTL_CLOAB
MUTS_CLOAB

Clostridium perfringens( 2 entries )

MUTL_CLOPE
MUTS_CLOPE

Clostridium tetani( 1 entries )

Deinococcus radiodurans( 1 entries )

Drosophila melanogaster( 4 entries )

MEI9_DROME
MSH2_DROME
MSH6_DROME
PCNA_DROME

Escherichia coli( 4 entries )

MUTH_ECOLI
MUTL_ECOLI
MUTS_ECOLI
VSR_ECOLI

Escherichia coli O157:H7( 3 entries )

MUTH_ECO57
MUTL_ECO57
MUTS_ECO57

Fusobacterium nucleatum subsp. nucleatum( 1 entries )

Haemophilus influenzae( 3 entries )

MUTH_HAEIN
MUTL_HAEIN
MUTS_HAEIN

Homo sapiens( 11 entries )

ABL1_HUMAN
MLH1_HUMAN
MLH3_HUMAN
MSH2_HUMAN
MSH3_HUMAN
MSH4_HUMAN
MSH5_HUMAN
MSH6_HUMAN
P73_HUMAN
PMS1_HUMAN
PMS2_HUMAN

Lactobacillus plantarum( 2 entries )

MUTL_LACPL
MUTS_LACPL

Lactococcus lactis subsp. lactis( 2 entries )

MUTL_LACLA
MUTS_LACLA

Leptospira interrogans( 2 entries )

MUTL_LEPIN
MUTS_LEPIN

Listeria innocua( 2 entries )

MUTL_LISIN
MUTS_LISIN

Listeria monocytogenes( 2 entries )

MUTL_LISMO
MUTS_LISMO

Mesorhizobium loti( 2 entries )

MUTL_RHILO
MUTS_RHILO

Methanosarcina acetivorans( 1 entries )

Methanosarcina mazei( 1 entries )

Mus musculus( 7 entries )

MLH1_MOUSE
MSH2_MOUSE
MSH3_MOUSE
MSH4_MOUSE
MSH5_MOUSE
MSH6_MOUSE
PMS2_MOUSE

Neisseria meningitidis (serogroup B)( 2 entries )

MUTL_NEIMB
MUTS_NEIMB

Neisseria meningitidis serogroup A( 3 entries )

MUTL_NEIMA
MUTS_NEIMA
VSR_NEIMA

Neurospora crassa( 1 entries )

Nostoc sp. PCC 7120( 1 entries )

Oceanobacillus iheyensis( 1 entries )

Pasteurella multocida( 3 entries )

MUTH_PASMU
MUTL_PASMU
MUTS_PASMU

Prochlorococcus marinus( 1 entries )

Pseudomonas aeruginosa( 2 entries )

MUTL_PSEAE
MUTS_PSEAE

Pseudomonas putida KT2440( 2 entries )

MUTL_PSEPK
MUTS_PSEPK

Pseudomonas syringae pv. tomato( 2 entries )

MUTL_PSESM
MUTS_PSESM

Ralstonia solanacearum( 2 entries )

MUTL_RALSO
MUTS_RALSO

Rickettsia conorii( 2 entries )

MUTL_RICCN
MUTS_RICCN

Rickettsia prowazekii( 2 entries )

MUTL_RICPR
MUTS_RICPR

Saccharomyces cerevisiae( 20 entries )

DPB2_YEAST
DPB3_YEAST
DPOD_YEAST
DPOE_YEAST
EXO1_YEAST
MLH1_YEAST
MSH1_YEAST
MSH2_YEAST
MSH3_YEAST
MSH4_YEAST
MSH5_YEAST
MSH6_YEAST
PCNA_YEAST
PMS1_YEAST
RFC1_YEAST
RFC2_YEAST
RFC3_YEAST
RFC4_YEAST
RFC5_YEAST
YB9Q_YEAST

Salmonella typhi( 3 entries )

MUTH_SALTI
MUTL_SALTI
MUTS_SALTI

Salmonella typhimurium( 3 entries )

MUTH_SALTY
MUTL_SALTY
MUTS_SALTY

Schizosaccharomyces pombe( 8 entries )

EXO1_SCHPO
MLH1_SCHPO
MSH1_SCHPO
MSH2_SCHPO
MSH6_SCHPO
PMS1_SCHPO
SWI4_SCHPO
UVE1_SCHPO

Shewanella oneidensis( 2 entries )

MUTH_SHEON
MUTS_SHEON

Shigella flexneri( 2 entries )

MUTH_SHIFL
MUTS_SHIFL

Sinorhizobium melilot( 2 entries )

MUTL_RHIME
MUTS_RHIME

Staphylococcus aureus( 2 entries )

MUTL_STAAU
MUTS_STAAU

Staphylococcus aureus subsp. aureus MW2( 2 entries )

MUTL_STAAW
MUTS_STAAW

Staphylococcus aureus subsp. aureus Mu50( 2 entries )

MUTL_STAAM
MUTS_STAAM

Staphylococcus aureus subsp. aureus N315( 2 entries )

MUTL_STAAN
MUTS_STAAN

Streptococcus agalactiae serogroup III( 1 entries )

Streptococcus agalactiae serogroup V( 1 entries )

Streptococcus pneumoniae( 2 entries )

HEXA_STRPN
HEXB_STRPN

Streptococcus pneumoniae R6( 2 entries )

HEXA_STRR6
HEXB_STRR6

Synechocystis sp. PCC 6803( 2 entries )

MUTL_SYNY3
MUTS_SYNY3

Thermoanaerobacter tengcongensis( 2 entries )

MUTL_THETN
MUTS_THETN

Thermotoga maritima( 2 entries )

MUTL_THEMA
MUTS_THEMA

Treponema pallidum( 2 entries )

MUTL_TREPA
MUTS_TREPA

Vibrio cholerae( 3 entries )

MUTH_VIBCH
MUTL_VIBCH
MUTS_VIBCH

Vibrio parahaemolyticus( 3 entries )

MUTH_VIBPA
MUTL_VIBPA
MUTS_VIBPA

Vibrio vulnificus( 3 entries )

MUTH_VIBVU
MUTL_VIBVU
MUTS_VIBVU

Xanthomonas axonopodis pv. citri( 2 entries )

MUTL_XANAC
MUTS_XANAC

Xanthomonas campestris pv. campestris( 2 entries )

MUTL_XANCP
MUTS_XANCP

Xylella fastidiosa( 2 entries )

MUTL_XYLFA
MUTS_XYLFA

Xylella fastidiosa Temecula1( 2 entries )

MUTL_XYLFT
MUTS_XYLFT

Yersinia pestis( 3 entries )

MUTH_YERPE
MUTL_YERPE
MUTS_YERPE