1 | 5B2T|1|A+ 5B2T|1|C+ 5B2T|1|D (rep) | Trans-activating crRNA | Guide RNA, Non-target DNA, DNA (5'-D(*TP*GP*CP*GP*AP*TP*TP*G)-3'), Target DNA | Streptococcus pyogenes | Bacteria | RF02348 | Crystal structure of the Streptococcus pyogenes Cas9 VRER variant in complex with sgRNA and target DNA (TGCG PAM) | X-ray diffraction | 2.2 | 117 | 2016-03-23 |
2 | 5B2R|1|A+ 5B2R|1|C+ 5B2R|1|D | Trans-activating crRNA | Guide RNA, Non-target DNA, DNA (5'-D(*TP*GP*AP*GP*AP*TP*TP*G)-3'), Target DNA | Streptococcus pyogenes | Bacteria | RF02348 | Crystal structure of the Streptococcus pyogenes Cas9 VQR variant in complex with sgRNA and target DNA (TGA PAM) | X-ray diffraction | 2 | 117 | 2016-03-23 |
3 | 5B2S|1|A+ 5B2S|1|C+ 5B2S|1|D | Trans-activating crRNA | Guide RNA, Non-target DNA, DNA (5'-D(*TP*GP*AP*GP*AP*TP*TP*G)-3'), Target DNA | Streptococcus pyogenes | Bacteria | RF02348 | Crystal structure of the Streptococcus pyogenes Cas9 EQR variant in complex with sgRNA and target DNA (TGAG PAM) | X-ray diffraction | 2.2 | 117 | 2016-03-23 |
4 | 7Z4L|1|A+ 7Z4L|1|C+ 7Z4L|1|D | Trans-activating crRNA | Non-target strand of 18-nucleotide complementary DNA substrate, sgRNA, Target strand of 18-nucleotide complementary DNA substrate | synthetic construct | Synthetic | RF02348 | SpCas9 bound to 18-nucleotide complementary DNA substrate in the checkpoint state | Electron microscopy | 2.54 | 136 | 2022-08-31 |
5 | 8SRS|1|B+ 8SRS|1|D+ 8SRS|1|c+ 8SRS|1|C | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex targeting TAC PAM DNA | Electron microscopy | 2.79 | 149 | 2024-05-01 |
6 | 6AI6|1|B+ 6AI6|1|C+ 6AI6|1|D | Trans-activating crRNA | DNA (28-MER), DNA (8-MER), RNA (81-MER) | Streptococcus pyogenes | Bacteria | RF02348 | Crystal structure of SpCas9-NG | X-ray diffraction | 2.7 | 117 | 2018-10-31 |
7 | 4OO8|1|B+ 4OO8|1|C | Trans-activating crRNA | DNA (5'-D(*CP*CP*AP*GP*CP*CP*AP*AP*GP*CP*GP*CP*AP*CP*CP*TP*AP*AP*TP*TP*TP*CP*C)-3'), RNA (97-MER) | | | RF02348 | Crystal structure of Streptococcus pyogenes Cas9 in complex with guide RNA and target DNA | X-ray diffraction | 2.5 | 118 | 2014-02-26 |
8 | 7S4X|1|B+ 7S4X|1|D+ 7S4X|1|c+ 7S4X|1|C | Trans-activating crRNA | gRNA, NTS, TS | synthetic construct | Synthetic | RF02348 | Cas9:gRNA in complex with 18-20MM DNA, 1 minute time-point, kinked active conformation | Electron microscopy | 2.76 | 161 | 2022-03-02 |
9 | 7Z4J|1|A+ 7Z4J|1|D+ 7Z4J|1|C+ 7Z4J|1|c | Trans-activating crRNA | Non-target strand of 18-nucleotide complementary DNA substrate, sgRNA, Target strand of 18-nucleotide complementary DNA substrate, PAM-distal end, Target strand of 18-nucleotide complementary DNA substrate, PAM-proximal end | synthetic construct | Synthetic | RF02348 | SpCas9 bound to 18-nucleotide complementary DNA substrate in the catalytic state | Electron microscopy | 2.99 | 142 | 2022-08-31 |
10 | 4OO8|1|E+ 4OO8|1|F | Trans-activating crRNA | DNA (5'-D(*CP*CP*AP*GP*CP*CP*AP*AP*GP*CP*GP*CP*AP*CP*CP*TP*AP*AP*TP*TP*TP*CP*C)-3'), RNA (97-MER) | | | RF02348 | Crystal structure of Streptococcus pyogenes Cas9 in complex with guide RNA and target DNA | X-ray diffraction | 2.5 | 120 | 2014-02-26 |
11 | 9ED9|1|B+ 9ED9|1|D+ 9ED9|1|C+ 9ED9|1|c | Trans-activating crRNA | Non-target strand, PAM-distal Target Strand, PAM-proximal Target Strand, sgRNA | synthetic construct | Synthetic | RF02348 | SpCas9 with 17-bp R-loop containing 2 terminal mismatches (State III - checkpoint) | Electron microscopy | 2.95 | 143 | 2025-06-18 |
12 | 9EAL|1|B+ 9EAL|1|C+ 9EAL|1|D | Trans-activating crRNA | DNA (Non-target strand), DNA (Target Strand), sgRNA | synthetic construct | Synthetic | RF02348 | SpCas9 with 17-bp R-loop containing 2 terminal mismatches (State II - precleavage) | Electron microscopy | 2.83 | 143 | 2025-07-09 |
13 | 9EAK|1|B+ 9EAK|1|C+ 9EAK|1|D | Trans-activating crRNA | DNA (Non-target strand), DNA (Target Strand), sgRNA | synthetic construct | Synthetic | RF02348 | SpCas9 with 17-bp R-loop containing 2 terminal mismatches (State I - pre-activation) | Electron microscopy | 2.76 | 149 | 2025-06-18 |
14 | 8YE6|1|C | Trans-activating crRNA | RNA (92-MER) | Streptococcus pyogenes | Bacteria | RF02348 | Cryo-EM structure of Cas9-sgRNA-A32 complex | Electron microscopy | 2.95 | 92 | 2024-09-11 |
15 | 8T6Y|1|B | Trans-activating crRNA | gRNA | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex bound to non-target DNA with 1 bp R-loop | Electron microscopy | 2.88 | 88 | 2024-05-01 |
16 | 9EDA|1|B+ 9EDA|1|D+ 9EDA|1|c+ 9EDA|1|C | Trans-activating crRNA | Non-target strand, PAM-distal Target Strand, PAM-proximal Target Strand, sgRNA | synthetic construct | Synthetic | RF02348 | SpCas9 with 17-bp R-loop containing 2 terminal mismatches (State IV - product) | Electron microscopy | 2.88 | 138 | 2025-06-18 |
17 | 9CGU|1|B+ 9CGU|1|C+ 9CGU|1|D | Trans-activating crRNA | Non-target strand, sgRNA, Target strand | synthetic construct | Synthetic | RF02348 | Cas9 ternary complex, 14-nt sgRNA, State II (kinked) | Electron microscopy | 3 | 144 | 2024-12-04 |
18 | 4ZT0|1|D | Trans-activating crRNA | single-guide RNA | Streptococcus pyogenes | Bacteria | RF02348 | Crystal structure of catalytically-active Streptococcus pyogenes Cas9 in complex with single-guide RNA at 2.9 Angstrom resolution | X-ray diffraction | 2.9 | 72 | 2015-07-08 |
19 | 9JL2|1|B+ 9JL2|1|C+ 9JL2|1|D | Trans-activating crRNA | gRNA, NTS, TS | unclassified sequences | | RF02348 | Classical conformation for the spCas9 with gRNA and target DNA complex | Electron microscopy | 3 | 134 | 2025-09-24 |
20 | 4ZT0|1|B | Trans-activating crRNA | single-guide RNA | Streptococcus pyogenes | Bacteria | RF02348 | Crystal structure of catalytically-active Streptococcus pyogenes Cas9 in complex with single-guide RNA at 2.9 Angstrom resolution | X-ray diffraction | 2.9 | 72 | 2015-07-08 |