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Table 1 Unique type I PAM sequences. Table of all unique type I PAMs found for the different subtypes and representative genera that contain the repeat cluster for which each PAM was determined. For previously described PAMs, a reference ID has been added which correspond to the following: 1 [60], 2 [61], 3 [62], 4 [63], 5 [45], 6 [64], 7 [65], 8 [46], 9 [14], 10 [66], 11 [67], 12 [49], 13 [68], 14 [69], and 15 [70]

From: PAM-repeat associations and spacer selection preferences in single and co-occurring CRISPR-Cas systems

Type PAM Genus Ref
I-A ATG Leptospira 1
CCN Acidianus 2
TTA Thermodesulfobacterium  
TCN Sulfurisphaera 3
ATN Aminobacterium  
I-B CCA Moorella 4
CCN Clostridium 4
CCT Ureibacillus 4
TAC Halorubrum  
TCA Campylobacter  
TCN Campylobacter  
TTA Methanosarcina 5
TTC Halobacterium 6
TTN Novibacillus 7
TTTA Petrimonas  
TTG Thermobacillus  
I-C CTN Anaerobutyricum  
CCN Porphyromonas  
CTT Ruminococcus  
TTC Geobacillus 8
TTN Acidovorax  
TTT Lachnoclostridium  
I-D GCN Haloquadratum  
GGTG Halorubrum  
GTN Methanotrix 9
GTT Microcystis  
GTG Methanospirillum 10
I-E AAC Bifidobacterium 11
AAG Geobacter 12
AAN Klebsiella  
AAT Lactobacillus  
AAA Kosakonia 13
AC Corynebacterium  
AG Xenorhabdus  
AWG Escherichia  
I-F ACC Aeromonas  
CC Pseudomonas 14
CCA Pseudomonas  
I-G TAC Rothia  
TAN Propionibacterium 11
TTN Pseudopropionibacterium 15
AAN Acidipropionibacterium  
TTC Rhodothermus