5NG6
Crystal structure of FnCas12a bound to a crRNA
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003677 | molecular_function | DNA binding |
| A | 0003723 | molecular_function | RNA binding |
| A | 0004518 | molecular_function | nuclease activity |
| A | 0004519 | molecular_function | endonuclease activity |
| A | 0004530 | molecular_function | deoxyribonuclease I activity |
| A | 0006259 | biological_process | DNA metabolic process |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0016829 | molecular_function | lyase activity |
| A | 0051607 | biological_process | defense response to virus |
| C | 0003677 | molecular_function | DNA binding |
| C | 0003723 | molecular_function | RNA binding |
| C | 0004518 | molecular_function | nuclease activity |
| C | 0004519 | molecular_function | endonuclease activity |
| C | 0004530 | molecular_function | deoxyribonuclease I activity |
| C | 0006259 | biological_process | DNA metabolic process |
| C | 0016787 | molecular_function | hydrolase activity |
| C | 0016829 | molecular_function | lyase activity |
| C | 0051607 | biological_process | defense response to virus |
| E | 0003677 | molecular_function | DNA binding |
| E | 0003723 | molecular_function | RNA binding |
| E | 0004518 | molecular_function | nuclease activity |
| E | 0004519 | molecular_function | endonuclease activity |
| E | 0004530 | molecular_function | deoxyribonuclease I activity |
| E | 0006259 | biological_process | DNA metabolic process |
| E | 0016787 | molecular_function | hydrolase activity |
| E | 0016829 | molecular_function | lyase activity |
| E | 0051607 | biological_process | defense response to virus |
| G | 0003677 | molecular_function | DNA binding |
| G | 0003723 | molecular_function | RNA binding |
| G | 0004518 | molecular_function | nuclease activity |
| G | 0004519 | molecular_function | endonuclease activity |
| G | 0004530 | molecular_function | deoxyribonuclease I activity |
| G | 0006259 | biological_process | DNA metabolic process |
| G | 0016787 | molecular_function | hydrolase activity |
| G | 0016829 | molecular_function | lyase activity |
| G | 0051607 | biological_process | defense response to virus |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | binding site for residue MG A 1401 |
| Chain | Residue |
| A | ARG800 |
| A | HOH1502 |
| A | HOH1504 |
| B | A-3 |
| B | U-4 |
| B | HOH302 |
| B | HOH305 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue MG B 200 |
| Chain | Residue |
| B | HOH307 |
| B | HOH308 |
| B | HOH309 |
| B | HOH310 |
| A | HOH1505 |
| B | HOH306 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | binding site for residue MG C 1401 |
| Chain | Residue |
| C | ARG800 |
| D | A-3 |
| D | U-4 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue MG D 200 |
| Chain | Residue |
| D | HOH301 |
| D | HOH302 |
| D | HOH303 |
| D | HOH304 |
| D | HOH305 |
| D | HOH306 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | binding site for residue MG E 1401 |
| Chain | Residue |
| E | ARG800 |
| E | HOH1502 |
| E | HOH1505 |
| F | A-3 |
| F | HOH303 |
| F | HOH308 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | binding site for residue MG F 200 |
| Chain | Residue |
| F | HOH302 |
| F | HOH304 |
| F | HOH306 |
| F | HOH307 |
| F | HOH309 |
| F | HOH310 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | binding site for residue MG G 1401 |
| Chain | Residue |
| G | ARG800 |
| G | HOH1501 |
| G | HOH1502 |
| H | A-3 |
| H | HOH302 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | binding site for residue MG H 200 |
| Chain | Residue |
| G | HOH1503 |
| H | HOH301 |
| H | HOH303 |
| H | HOH304 |
| H | HOH305 |
| H | HOH306 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 32 |
| Details | Region: {"description":"Binds crRNA alone and in crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 16 |
| Details | Region: {"description":"Binds DNA in crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 12 |
| Details | Region: {"description":"Binds crRNA in crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 12 |
| Details | Region: {"description":"Binds crRNA in crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 32 |
| Details | Region: {"description":"Binds crRNA","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 280 |
| Details | Region: {"description":"Wedge region 2","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000303"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000303"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 68 |
| Details | Region: {"description":"LKL, important for PAM recognition and DNA unwinding","evidences":[{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 396 |
| Details | Region: {"description":"PAM-interacting domain (PI)","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000303"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000303"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 24 |
| Details | Region: {"description":"Binds DNA protospacer adjacent motif (PAM) on target DNA","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 48 |
| Details | Region: {"description":"Binds single-strand non-target DNA","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 516 |
| Details | Region: {"description":"Wedge region 3","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000303"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000303"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 40 |
| Details | Region: {"description":"Binds crRNA","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI13 |
| Number of Residues | 240 |
| Details | Region: {"description":"RuvC-I","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000303"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000303"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI14 |
| Number of Residues | 424 |
| Details | Region: {"description":"RuvC-II","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000303"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000303"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI15 |
| Number of Residues | 12 |
| Details | Active site: {"description":"For pre-crRNA processing","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI16 |
| Number of Residues | 12 |
| Details | Active site: {"description":"For DNase activity of RuvC domain","evidences":[{"source":"PubMed","id":"26422227","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI17 |
| Number of Residues | 4 |
| Details | Site: {"description":"Binds crRNA alone and in crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI18 |
| Number of Residues | 4 |
| Details | Site: {"description":"Binds target strand DNA","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI19 |
| Number of Residues | 4 |
| Details | Site: {"description":"Binds crRNA in crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI20 |
| Number of Residues | 8 |
| Details | Site: {"description":"Binds DNA in crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI21 |
| Number of Residues | 4 |
| Details | Site: {"description":"Caps the crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI22 |
| Number of Residues | 4 |
| Details | Site: {"description":"Binds DNA protospacer adjacent motif (PAM)","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI23 |
| Number of Residues | 4 |
| Details | Site: {"description":"Binds Target strand DNA","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI24 |
| Number of Residues | 4 |
| Details | Site: {"description":"Binds PAM","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI25 |
| Number of Residues | 8 |
| Details | Site: {"description":"Binds Target strand DNA","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI26 |
| Number of Residues | 4 |
| Details | Site: {"description":"Binds Target strand DNA; via amide nitrogen","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI27 |
| Number of Residues | 4 |
| Details | Site: {"description":"Binds crRNA","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI28 |
| Number of Residues | 4 |
| Details | Site: {"description":"Stabilizes transition state for pre-crRNA processing","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI29 |
| Number of Residues | 8 |
| Details | Site: {"description":"Binds DNA in crRNA-target DNA heteroduplex","evidences":[{"source":"PubMed","id":"28431230","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28562584","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |






