MRNA capping enzyme 3D structures

From Proteopedia

3D structures of mRNA capping enzyme

Updated on 05-January-2026

2c46 - hMce TPase domain 1-219 - human
3s24 - hMce GTase domain 229-567
8p4a, 8p4b, 8p4c, 8p4d, 8p4e, 8w8e, 8w8f - hMce + DNA-dependent RNA polymerase + cap methyltransferase + RPB12 + SPT4 + SPT5 + DNA + RNA - Cryo EM
1i9s, 1i9t - mMce TPase domain - mouse
3rtx - mMce GTase domain + DNA-dependent RNA polymerase II C-terminal + guanine
3kyh - yMce α+β subunits - yeast
4pz7 - fyMce α subunit - fission yeast
4pz8 - fyMce α subunit + SPT5
4pz6 - fyMce α subunit + DNA-dependent RNA polymerase II C terminal + GMP
4pn0 - fyMce β subunit
4pn1 - fyMce β subunit + SPT5 peptide
1p16 - Mce α subunit + GTP + RNA polymerase peptide - Candida albicans
1ri5 - EcMce - Encephalitozoon cuniculi
1ri4 - EcMce + SAM
1z3c - EcMce + SAM derivative
1ri3 - EcMce + SAH
1ri2 - EcMce + GTG
1ri1 - EcMce + SAH + GTG
1ckm, 1ckn - PbcvMce + GTP - Paramecium bursaria chlorella virus
1cko - PbcvMce + GPPPG
2vdw, 4ckc, 4cke - VvMce catalytic+regulatory subunits + SAH - Vaccinia virus
4ckb - VvMce catalytic+regulatory subunits + GTP + SAH
6rfl - VvMce catalytic+regulatory subunits + DNA-dependent RNA polymerase - Cryo EM
6rie - VvMce catalytic+regulatory subunits + DNA-dependent RNA polymerase + GDP + SAM - Cryo EM
8p0j, 8p0k, 8p0n 8rqk, 9fq6 - VvMce catalytic+regulatory subunits in DNA-dependent RNA polymerase complex - Cryo EM
5x6x - RdvMce - Rice dwarf virus
5x6z - RdvMce + GTP + GDP
5x71 - RdvMce + 5GP
5x6y - RdvMce + SAM
5x70 - RdvMce + RNA
8axv - cvMce nsP1– chikungunya virus – Cryo EM
8aov - cvMce nsP1+ GTP – Cryo EM
7fgg - cvMce nsP1 + 7GMP – Cryo EM
8jce - cvMce nsP1 (mutant) + 7GMP – Cryo EM
8aox - cvMce nsP1 + SAM – Cryo EM
7fgh, 7fgi, 8aow - cvMce nsP1 + SAH + 7GMP – Cryo EM
7y38 - cvMce nsP1 + RNA polymerase nsP4 + protease nsP2 + RNA + ATP + GTP – Cryo EM
7x01 - cvMce nsP1 + inhibitor – Cryo EM
8jed, 8y2y - MpvMce regulatory subunit – monkeypox virus
8y2z - MpvMce catalytic+regulatory subunits
8ze4 - MpvMce catalytic+regulatory subunits + SAM