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 | 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 |
5 | 4OO8|1|B+ 4OO8|1|C | | 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) | | | | Crystal structure of Streptococcus pyogenes Cas9 in complex with guide RNA and target DNA | X-ray diffraction | 2.5 | 118 | 2014-02-26 |
6 | 4OO8|1|E+ 4OO8|1|F | | 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) | | | | Crystal structure of Streptococcus pyogenes Cas9 in complex with guide RNA and target DNA | X-ray diffraction | 2.5 | 120 | 2014-02-26 |
7 | 7Z4D|1|A+ 7Z4D|1|C+ 7Z4D|1|D | Trans-activating crRNA | Non-target strand of 10 nucleotide complementary DNA substrate, sgRNA, Target strand of 10 nucleotide complementary DNA substrate | synthetic construct | Synthetic | RF02348 | Crystal structure of SpCas9 bound to a 10 nucleotide complementary DNA substrate | X-ray diffraction | 3.1 | 127 | 2022-08-31 |
8 | 7Z4D|1|F+ 7Z4D|1|G+ 7Z4D|1|H | Trans-activating crRNA | Non-target strand of 10 nucleotide complementary DNA substrate, sgRNA, Target strand of 10 nucleotide complementary DNA substrate | synthetic construct | Synthetic | RF02348 | Crystal structure of SpCas9 bound to a 10 nucleotide complementary DNA substrate | X-ray diffraction | 3.1 | 123 | 2022-08-31 |
9 | 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 |
10 | 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 |
11 | 4ZT9|1|D | Trans-activating crRNA | single-guide RNA | Streptococcus pyogenes | Bacteria | RF02348 | Nuclease-inactive Streptococcus pyogenes Cas9 (D10A/H840A, dCas9) in complex with single-guide RNA at 3.1 Angstrom resolution | X-ray diffraction | 3.1 | 72 | 2015-07-08 |
12 | 5XBL|1|B | Trans-activating crRNA | RNA (98-MER) | Streptococcus pyogenes | Bacteria | RF02348 | Structure of nuclease in complex with associated protein | X-ray diffraction | 3.05 | 88 | 2017-06-14 |
13 | 4ZT9|1|B | Trans-activating crRNA | single-guide RNA | Streptococcus pyogenes | Bacteria | RF02348 | Nuclease-inactive Streptococcus pyogenes Cas9 (D10A/H840A, dCas9) in complex with single-guide RNA at 3.1 Angstrom resolution | X-ray diffraction | 3.1 | 72 | 2015-07-08 |
14 | 6IFO|1|C | Trans-activating crRNA | RNA (99-MER) | Streptococcus pyogenes | Bacteria | RF02348 | Crystal structure of AcrIIA2-SpyCas9-sgRNA ternary complex | X-ray diffraction | 3.31 | 88 | 2019-01-23 |
15 | 6IFO|1|D | Trans-activating crRNA | RNA (99-MER) | Streptococcus pyogenes | Bacteria | RF02348 | Crystal structure of AcrIIA2-SpyCas9-sgRNA ternary complex | X-ray diffraction | 3.31 | 90 | 2019-01-23 |
16 | 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 |
17 | 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 |
18 | 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 |
19 | 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 |
20 | 8T7S|1|B+ 8T7S|1|C+ 8T7S|1|D+ 8T7S|1|c | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRYmer bound to NAC PAM DNA | Electron microscopy | 3.01 | 151 | 2024-05-01 |
21 | 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 |
22 | 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 |
23 | 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 |
24 | 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 |
25 | 6O0X|1|B+ 6O0X|1|D+ 6O0X|1|c+ 6O0X|1|C | Trans-activating crRNA | 3' product of target strand DNA, 5' product of target strand DNA, non-target strand DNA, single guide RNA | synthetic construct | Synthetic | RF02348 | Conformational states of Cas9-sgRNA-DNA ternary complex in the presence of magnesium | Electron microscopy | 3.28 | 150 | 2019-07-10 |
26 | 8SPQ|1|B+ 8SPQ|1|C+ 8SPQ|1|D+ 8SPQ|1|E | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex targeting TGG PAM DNA | Electron microscopy | 3.26 | 149 | 2024-05-01 |
27 | 8U3Y|1|B+ 8U3Y|1|c+ 8U3Y|1|C+ 8U3Y|1|D | Trans-activating crRNA | DNA (5'-D(P*CP*GP*TP*TP*TP*GP*TP*AP*CP*TP*CP*CP*AP*GP*CP*G)-3'), DNA (5'-D(P*TP*CP*TP*CP*AP*TP*CP*TP*TP*TP*AP*TP*GP*CP*GP*TP*C)-3'), DNA (5'-D(P*TP*GP*GP*AP*GP*TP*AP*CP*AP*AP*AP*CP*G)-3'), RNA (98-MER) | synthetic construct | Synthetic | RF02348 | SpG Cas9 with NGG PAM DNA target | Electron microscopy | 3.1 | 144 | 2024-05-01 |
28 | 6O0Y|1|B+ 6O0Y|1|D+ 6O0Y|1|c+ 6O0Y|1|C | Trans-activating crRNA | 3' product of target strand DNA, 5' product of target strand DNA, non-target strand DNA, single guide RNA | synthetic construct | Synthetic | RF02348 | Conformational states of Cas9-sgRNA-DNA ternary complex in the presence of magnesium | Electron microscopy | 3.37 | 150 | 2019-07-10 |
29 | 8T6X|1|B+ 8T6X|1|C+ 8T6X|1|D | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex targeting TAC PAM DNA with 18 bp R-loop | Electron microscopy | 3.08 | 139 | 2024-05-01 |
30 | 9C9P|1|B+ 9C9P|1|C+ 9C9P|1|D | Trans-activating crRNA | Non-target strand, sgRNA, Target strand | synthetic construct | Synthetic | RF02348 | Cas9 ternary complex, 14-nt sgRNA, State I (linear) | Electron microscopy | 3.1 | 139 | 2024-12-04 |
31 | 7Z4I|1|A+ 7Z4I|1|D+ 7Z4I|1|C | Trans-activating crRNA | Non-target strand of 16-nucleotide complementary DNA substrate, sgRNA, Target strand of 16-nucleotide complementary DNA substrate | synthetic construct | Synthetic | RF02348 | SpCas9 bound to 16-nucleotide complementary DNA substrate | Electron microscopy | 3.12 | 137 | 2022-08-31 |
32 | 8T6T|1|B+ 8T6T|1|C+ 8T6T|1|D | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex targeting TAC PAM DNA with 13 bp R-loop | Electron microscopy | 3.04 | 129 | 2024-05-01 |
33 | 6O0Z|1|B+ 6O0Z|1|C+ 6O0Z|1|D | Trans-activating crRNA | non-target strand DNA, single guide RNA, target strand DNA | synthetic construct | Synthetic | RF02348 | Conformational states of Cas9-sgRNA-DNA ternary complex in the presence of magnesium | Electron microscopy | 3.3 | 135 | 2019-07-10 |
34 | 7S4V|1|B+ 7S4V|1|C | Trans-activating crRNA | gRNA, TS | synthetic construct | Synthetic | RF02348 | Cas9 bound to 12-14MM DNA, 60 min time-point, kinked conformation | Electron microscopy | 3.28 | 131 | 2022-03-02 |
35 | 9EDB|1|B+ 9EDB|1|C+ 9EDB|1|D | Trans-activating crRNA | Non-target Strand, sgRNA, Target Strand | synthetic construct | Synthetic | RF02348 | SpCas9 with 17-bp R-loop containing 2 terminal mismatches (State V - dissociated) | Electron microscopy | 3.1 | 122 | 2025-06-18 |
36 | 7Z4H|1|A+ 7Z4H|1|C+ 7Z4H|1|D | Trans-activating crRNA | Non-target strand of 14-nucleotide complementary DNA substrate, sgRNA, Target strand of 14-nucleotide complementary DNA substrate | synthetic construct | Synthetic | RF02348 | SpCas9 bound to 14-nucleotide complementary DNA substrate | Electron microscopy | 3.49 | 142 | 2022-08-31 |
37 | 8T79|1|B+ 8T79|1|C+ 8T79|1|D | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex bound to non-target DNA with 10 bp R-loop | Electron microscopy | 3.04 | 118 | 2024-05-08 |
38 | 8T78|1|B+ 8T78|1|C+ 8T78|1|D | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex bound to non-target DNA with 8 bp R-loop | Electron microscopy | 3.02 | 116 | 2024-05-01 |
39 | 8T6S|1|B+ 8T6S|1|C+ 8T6S|1|D | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex targeting TAC PAM DNA with 10 bp R-loop | Electron microscopy | 3.28 | 119 | 2024-05-01 |
40 | 8T77|1|B+ 8T77|1|C+ 8T77|1|D | Trans-activating crRNA | gRNA, NTS, TS | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex bound to non-target DNA with 6 bp R-loop | Electron microscopy | 3.25 | 114 | 2024-05-01 |
41 | 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 |
42 | 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 |
43 | 8T7S|1|H | Trans-activating crRNA | gRNA | Streptococcus pyogenes | Bacteria | RF02348 | SpRYmer bound to NAC PAM DNA | Electron microscopy | 3.01 | 88 | 2024-05-01 |
44 | 8T6P|1|B | Trans-activating crRNA | gRNA | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex targeting TAC PAM DNA with 2 bp R-loop | Electron microscopy | 3.15 | 88 | 2024-05-01 |
45 | 8T76|1|B | Trans-activating crRNA | gRNA | Streptococcus pyogenes | Bacteria | RF02348 | SpRY-Cas9:gRNA complex targeting TAC PAM DNA with 3 bp R-loop | Electron microscopy | 3.42 | 88 | 2024-05-01 |