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Table 1 Selected surface-associated factors of P. avidum, P. granulosum and P. acnes identified from surface proteome analysis

From: Comparative genomics reveals distinct host-interacting traits of three major human-associated propionibacteria

Locus tag Size (kDa) Function Score Matches P. acnes homolog
P. avidum ATCC25577
HMPREF9153_0971 53.0 Rare lipoprotein A (RlpA family) 747 18 PPA2271 (76%)
HMPREF9153_0397 33.6 Glutamine/glutamate ABC superfamily ATP binding cassette Transporter 601 15 no
HMPREF9153_1303 60.9 Peptidase (SlpE) 349 10 PPA0247 (78%)
HMPREF9153_0820 87.7 Penicillin-binding protein PonA 321 4 PPA2149 (89%)
HMPREF9153_0967 26.2 Hypothetical protein 292 6 no
P. granulosum DSM20700
H641_02938 63.1 Rare lipoprotein A (RlpA family) 1290 24 PPA2271 (39%)
H641_04819 36.9 Hypothetical protein 1159 19 no
H641_08540 56.6 Conserved hypothetical protein 1077 13 no
H641_04393 61.1 Hypothetical protein 921 15 PPA0444 (72%)
H641_03802 41.2 Rare lipoprotein A (RlpA family) 803 11 PPA2239 (64%)
H641_06353 84.5 Phosphoesterase 540 9 PPA1745 (66%)
H641_03053 29.4 CAMP factor 6 533 8 PPA0687 (41%)
H641_07095 41.2 Putative lysophospholipase 509 7 PPA2142 (56%)
H641_05818 60.2 SpaD homolog 375 6 no
H641_03535 42.2 SpaB homolog 222 3 no
P. acnes KPA171202
PPA2175 36.5 Rare lipoprotein A (RlpA family) 2923 47  
PPA2271 52.2 Rare lipoprotein A (RlpA family) 2666 42  
PPA0644 56.6 Endoglycoceramidase 1113 13  
PPA2106 54.0 Endoglycoceramidase 1019 16  
PPA0721 40.7 NPL/P60 family secreted protein 674 12  
PPA1939 16.8 Hypothetical protein 639 12  
PPA2097 73.4 5′-nucleotidase/2′,3′-cyclic phosphodiesterase or related esterase 547 7  
PPA0687 28.6 CAMP factor 2 394 4  
PPA2105 35.9 Triacylglycerol lipase precursor 353 4  
PPA2239 41.0 Lipoprotein A-like protein 342 5  
PPA1340 30.3 CAMP factor 1 230 3  
  1. Listed are all surface-exposed proteins that possess a typical N-terminal signal peptide. See Additional file 7 for a complete list.