Table 1. List of 46 protein data bank (PDB) structures that were utilized in the PCA, as depicted in Figure 1.
Due to the presence of varying structures among different chains in some PDB structures, each chain was considered as an individual structure. Notably, in the case of 6UC4, chains E and H were combined and renamed as chain E (E&H=E), while chains F and G were combined and renamed as chain F (F&G=F). Similarly, in the case of 6UBY, chains G and H were combined and renamed as chain G (G&H=G).
| PDBID | List of actin chains | Method | Resolution (Å) | Nucleotide | Protein bound | First author | Year |
|---|---|---|---|---|---|---|---|
| 1ATN | A | X-RAY | 2.8 | ATP | DNASE I | KABSCH | 1990 |
| 1J6Z | A | X-RAY | 1.54 | ADP-RHO | OTTERBEIN | 2001 | |
| 2BTF | A | X-RAY | 2.55 | ATP | PROFILIN | SCHUTT | 1993 |
| 2ZWH | A | X-RAY | 3.3 | ADP | ODA | 2009 | |
| 3DAW | A | X-RAY | 2.55 | ATP | TWINFILIN-1 | PAAVILAINEN | 2008 |
| 3HBT | A | X-RAY | 2.7 | ATP | WANG | 2010 | |
| 3J0S | A, B, C, D, E, F, G, H, I, J, K, L | EM | 9 | COFILIN-2 | GALKIN | 2011 | |
| 3J8I | D, E, F, G, H | EM | 4.7 | ADP | GALKIN | 2015 | |
| 3J8J | A, B, C, D, E, F, G, H, I, J, K | EM | 12 | GALKIN | 2015 | ||
| 3J8K | A, B, C, D, E, F, G, H, I, J | EM | 12 | GALKIN | 2015 | ||
| 3MFP | A | EM | 6.6 | ADP | FUJII | 2010 | |
| 4A7N | A, B, C, D, E | EM | 8.9 | ADP | BEHRMANN | 2012 | |
| 5ONV | A, B, C, D, E | EM | 4.1 | ADP | MERINO | 2018 | |
| 5OOC | A, B, C, D, E | EM | 3.6 | ADP JASP | MERINO | 2018 | |
| 5OOD | A, B, C, D, E | EM | 3.7 | ADP-Pi JASP | MERINO | 2018 | |
| 5OOE | A, B, C, D, E | EM | 3.6 | ANP | MERINO | 2018 | |
| 5OOF | A, B, C, D, E | EM | 3.4 | ADP-BeFx | MERINO | 2018 | |
| 5YU8 | A, B, C, D, E | EM | 3.8 | ADP | COFILIN-2 | TANAKA | 2018 |
| 6BNO | A, B, C, D, E, F, G, H | EM | 5.5 | ADP | GUREL | 2017 | |
| 6BNU | A, B, C, D, E, F, G, H | EM | 7.5 | GUREL | 2017 | ||
| 6DJM | A, B, C, D | EM | 3.1 | AMPPNP | CHOU | 2019 | |
| 6DJN | A, B, C, D | EM | 3.1 | ADP-Pi | CHOU | 2019 | |
| 6DJO | A, B, C, D | EM | 3.6 | ADP | CHOU | 2019 | |
| 6FHL | A, B, C, D, E | EM | 3.3 | ADP-Pi | MERINO | 2018 | |
| 6KLL | A, B, C, D | EM | 3 | ADP | ODA | 2020 | |
| 6KLN | A, B, C, D | EM | 3.4 | ADP | ODA | 2020 | |
| 6UBY | A, B, C, D, E, F, G | EM | 7.5 | ADP | COFILIN-1 | HUEHN | 2020 |
| 6UC0 | A, B, C, D, E, F, G | EM | 7.5 | ADP | COFILIN-1 | HUEHN | 2020 |
| 6UC4 | A, B, C, D, E, F, J, K, L | EM | 9.2 | ADP | COFILIN-1 | HUEHN | 2020 |
| 6VAO | D, A, B, C, E | EM | 3.4 | ADP | COFILIN-1 | HUEHN | 2020 |
| 6VAU | B, A, C, D, E | EM | 3.5 | ADP | HUEHN | 2020 | |
| 7Q8B | A, B, C, D, E | EM | 3.3 | ADP-Pi | KOTILA | 2022 | |
| 7Q8C | A, B, C, D, E | EM | 2.72 | ADP | KOTILA | 2022 | |
| 7Q8S | A, C, D, E, F | EM | 3.4 | ADP | ADF/COFILIN | KOTILA | 2022 |
| 8A2R | C, A, B, D, E | EM | 2.17 | ADP-BeF3 | OOSTERHEERT | 2022 | |
| 8A2S | C, A, B, D, E | EM | 2.22 | ADP-Pi | OOSTERHEERT | 2022 | |
| 8A2T | C, A, B, D, E | EM | 2.24 | ADP | OOSTERHEERT | 2022 | |
| 8A2U | C, A, B, D, E | EM | 2.21 | ADP-BeF3 | OOSTERHEERT | 2022 | |
| 8A2Y | C, A, B, D, E | EM | 2.15 | ADP-Pi | OOSTERHEERT | 2022 | |
| 8A2Z | C, A, B, D, E | EM | 2.15 | ADP | OOSTERHEERT | 2022 | |
| 8D13 | A, B, C | EM | 2.43 | ADP | REYNOLDS | 2022 | |
| 8D14 | A, B, C | EM | 2.51 | ADP-Pi | REYNOLDS | 2022 | |
| 8D15 | A, B, C, D, E, F, G | EM | 3.61 | ADP | REYNOLDS | 2022 | |
| 8D16 | A, B, C, D, E, F, G | EM | 3.71 | ADP-Pi | REYNOLDS | 2022 | |
| 8D17 | A, B, C, D, E, F, G | EM | 3.69 | ADP | REYNOLDS | 2022 | |
| 8D18 | A, B, C, D, E, F, G | EM | 3.66 | ADP | REYNOLDS | 2022 |