PDB3IGI; Toor N, Keating KS, Fedorova O, Rajashankar K, Wang J, Pyle AM «Tertiary architecture of the Oceanobacillus iheyensis group II intron». RNA, 16, 1, January 2010, pàg. 57–69. DOI: 10.1261/rna.1844010. PMC: 2802037. PMID: 19952115.; rendered using PyMOL.
Richmond, et al.; Davey, CA «The structure of DNA in the nucleosome core». Nature, 423, 6936, 2003, pàg. 145–150. DOI: 10.1038/nature01595. PMID: 12736678.
Ghosh A, Bansal M «A glossary of DNA structures from A to Z». Acta Cryst, D59, 2003, pàg. 620–626. DOI: 10.1107/S0907444903003251.
PDB3BWP; Toor N, Keating KS, Taylor SD, Pyle AM «Crystal structure of a self-spliced group II intron». Science, 320, 5872, abril 2008, pàg. 77–82. DOI: 10.1126/science.1153803. PMID: 18388288.; rendered with PyMOL
Doherty EA, Batey RT, Masquida B, Doudna JA «A universal mode of helix packing in RNA». Nat. Struct. Biol., 8, 4, abril 2001, pàg. 339–43. DOI: 10.1038/86221. PMID: 11276255.
Szewczak AA, Ortoleva-Donnelly L, Ryder SP, Moncoeur E, Strobel SA «A minor groove RNA triple helix within the catalytic core of a group I intron». Nat. Struct. Biol., 5, 12, December 1998, pàg. 1037–42. DOI: 10.1038/4146. PMID: 9846872.
Boudvillain M, de Lencastre A, Pyle AM «A tertiary interaction that links active-site domains to the 5' splice site of a group II intron». Nature, 406, 6793, July 2000, pàg. 315–8. DOI: 10.1038/35018589. PMID: 10917534.
PDB1RAU; Cheong C, Moore PB «Solution structure of an unusually stable RNA tetraplex containing G- and U-quartet structures». Biochemistry, 31, 36, September 1992, pàg. 8406–14. DOI: 10.1021/bi00151a003. PMID: 1382577.; rendered with PyMOL
PDB1FIT; Baugh C, Grate D, Wilson C «2.8 A crystal structure of the malachite green aptamer». J. Mol. Biol., 301, 1, August 2000, pàg. 117–28. DOI: 10.1006/jmbi.2000.3951. PMID: 10926496.; rendered with PyMOL
Gilbert SD, Rambo RP, Van Tyne D, Batey RT «Structure of the SAM-II riboswitch bound to S-adenosylmethionine». Nat. Struct. Mol. Biol., 15, 2, February 2008, pàg. 177–82. DOI: 10.1038/nsmb.1371. PMID: 18204466.
Batey RT, Gilbert SD, Montange RK «Structure of a natural guanine-responsive riboswitch complexed with the metabolite hypoxanthine». Nature, 432, 7015, November 2004, pàg. 411–5. DOI: 10.1038/nature03037. PMID: 15549109.
Arthanari H, Bolton PH «Functional and dysfunctional roles of quadruplex DNA in cells». Chem. Biol., 8, 3, March 2001, pàg. 221–30. DOI: 10.1016/S1074-5521(01)00007-2. PMID: 11306347.
Oliver AW, Bogdarina I, Schroeder E, Taylor IA, Kneale GG «Preferential binding of fd gene 5 protein to tetraplex nucleic acid structures». J. Mol. Biol., 301, 3, August 2000, pàg. 575–84. DOI: 10.1006/jmbi.2000.3991. PMID: 10966771.
Quigley GJ, Rich A «Structural domains of transfer RNA molecules». Science, 194, 4267, November 1976, pàg. 796–806. DOI: 10.1126/science.790568. PMID: 790568.
Walter AE, Turner DH, Kim J, Lyttle MH, Müller P, Mathews DH, Zuker M «Coaxial stacking of helixes enhances binding of oligoribonucleotides and improves predictions of RNA folding». Proc. Natl. Acad. Sci. U.S.A., 91, 20, September 1994, pàg. 9218–22. DOI: 10.1073/pnas.91.20.9218. PMC: 44783. PMID: 7524072.
Murphy FL, Wang YH, Griffith JD, Cech TR «Coaxially stacked RNA helices in the catalytic center of the Tetrahymena ribozyme». Science, 265, 5179, September 1994, pàg. 1709–12. DOI: 10.1126/science.8085157. PMID: 8085157.
Cate JH, Gooding AR, Podell E, Zhou K, Golden BL, Kundrot CE, Cech TR, Doudna JA «Crystal structure of a group I ribozyme domain: principles of RNA packing». Science, 273, 5282, September 1996, pàg. 1678–85. DOI: 10.1126/science.273.5282.1678. PMID: 8781224.
Lee AJ, Crothers DM «The solution structure of an RNA loop-loop complex: the ColE1 inverted loop sequence». Structure, 6, 8, August 1998, pàg. 993–1005. DOI: 10.1016/S0969-2126(98)00101-4. PMID: 9739090.
Ferré-D'Amaré AR, Zhou K, Doudna JA «Crystal structure of a hepatitis delta virus ribozyme». Nature, 395, 6702, October 1998, pàg. 567–74. DOI: 10.1038/26912. PMID: 9783582.
PDB1GID; Cate JH, Gooding AR, Podell E, Zhou K, Golden BL, Kundrot CE, Cech TR, Doudna JA «Crystal structure of a group I ribozyme domain: principles of RNA packing». Science, 273, 5282, September 1996, pàg. 1678–85. DOI: 10.1126/science.273.5282.1678. PMID: 8781224.; rendered with PyMOL
Nakano, M; Moody, EM; Liang, J; Bevilacqua, PC «Selection for thermodynamically stable DNA tetraloops using temperature gradient gel electrophoresis reveals four motifs: d(cGNNAg), d(cGNABg),d(cCNNGg), and d(gCNNGc).». Biochemistry, 41, 48, 2002, pàg. 14281–92. DOI: 10.1021/bi026479k. PMID: 12450393.
Abramovitz DL, Pyle AM «Remarkable morphological variability of a common RNA folding motif: the GNRA tetraloop-receptor interaction». J. Mol. Biol., 266, 3, February 1997, pàg. 493–506. DOI: 10.1006/jmbi.1996.0810. PMID: 9067606.
Moody EM, Feerrar JC, Bevilacqua PC «Evidence that folding of an RNA tetraloop hairpin is less cooperative than its DNA counterpart». Biochemistry, 43, 25, June 2004, pàg. 7992–8. DOI: 10.1021/bi049350e. PMID: 15209494.
Jaeger L, Michel F, Westhof E «Involvement of a GNRA tetraloop in long-range RNA tertiary interactions». J. Mol. Biol., 236, 5, March 1994, pàg. 1271–6. DOI: 10.1016/0022-2836(94)90055-8. PMID: 7510342.
Michel F, Westhof E «Modelling of the three-dimensional architecture of group I catalytic introns based on comparative sequence analysis». J. Mol. Biol., 216, 3, December 1990, pàg. 585–610. DOI: 10.1016/0022-2836(90)90386-Z. PMID: 2258934.
Nissen P, Ippolito JA, Ban N, Moore PB, Steitz TA «RNA tertiary interactions in the large ribosomal subunit: the A-minor motif». Proc. Natl. Acad. Sci. U.S.A., 98, 9, abril 2001, pàg. 4899–903. DOI: 10.1073/pnas.081082398. PMC: 33135. PMID: 11296253.
Yoshizawa S, Fourmy D, Puglisi JD «Recognition of the codon-anticodon helix by ribosomal RNA». Science, 285, 5434, September 1999, pàg. 1722–5. DOI: 10.1126/science.285.5434.1722. PMID: 10481006.
Tamura M, Holbrook SR «Sequence and structural conservation in RNA ribose zippers». J. Mol. Biol., 320, 3, July 2002, pàg. 455–74. DOI: 10.1016/S0022-2836(02)00515-6. PMID: 12096903.
PDB1ZZN; Stahley MR, Strobel SA «Structural evidence for a two-metal-ion mechanism of group I intron splicing». Science, 309, 5740, September 2005, pàg. 1587–90. DOI: 10.1126/science.1114994. PMID: 16141079.; rendered with PyMOL
Celander DW, Cech TR «Visualizing the higher order folding of a catalytic RNA molecule». Science, 251, 4992, January 1991, pàg. 401–7. DOI: 10.1126/science.1989074. PMID: 1989074.
Pyle AM «Metal ions in the structure and function of RNA». J. Biol. Inorg. Chem., 7, 7-8, September 2002, pàg. 679–90. DOI: 10.1007/s00775-002-0387-6. PMID: 12203005.
Cate JH, Doudna JA «Metal-binding sites in the major groove of a large ribozyme domain». Structure, 4, 10, October 1996, pàg. 1221–9. DOI: 10.1016/S0969-2126(96)00129-3. PMID: 8939748.
Kieft JS, Tinoco I «Solution structure of a metal-binding site in the major groove of RNA complexed with cobalt (III) hexammine». Structure, 5, 5, maig 1997, pàg. 713–21. DOI: 10.1016/S0969-2126(97)00225-6. PMID: 9195889.
Rüdisser S, Tinoco I «Solution structure of Cobalt(III)hexammine complexed to the GAAA tetraloop, and metal-ion binding to G·A mismatches». J. Mol. Biol., 295, 5, February 2000, pàg. 1211–23. DOI: 10.1006/jmbi.1999.3421. PMID: 10653698.
Holley, RW, Apgar, J, Everett, GA, Madison, JT, Marguisse, M, Merrill, SH, Penwick, JR, Zamir «Structure of a ribonucleic acid». Science, 147, March 1965, pàg. 1462–5. DOI: 10.1126/science.147.3664.1462. PMID: 14263761.
Kim SH, Quigley G, Suddath FL, Rich A «High-resolution x-ray diffraction patterns of crystalline transfer RNA that show helical regions». Proc. Natl. Acad. Sci. U.S.A., 68, 4, abril 1971, pàg. 841–5. DOI: 10.1073/pnas.68.4.841. PMC: 389056. PMID: 5279525.
Cech TR, Zaug AJ, Grabowski PJ «In vitro splicing of the ribosomal RNA precursor of Tetrahymena: involvement of a guanosine nucleotide in the excision of the intervening sequence». Cell, 27, 3 Pt 2, December 1981, pàg. 487–96. DOI: 10.1016/0092-8674(81)90390-1. PMID: 6101203.
Stark BC, Kole R, Bowman EJ, Altman S «Ribonuclease P: an enzyme with an essential RNA component». Proc. Natl. Acad. Sci. U.S.A., 75, 8, August 1978, pàg. 3717–21. DOI: 10.1073/pnas.75.8.3717. PMC: 392857. PMID: 358197.
Prody GA, Bakos JT, Buzayan JM, Schneider IR, Bruening G «Autolytic Processing of Dimeric Plant Virus Satellite RNA». Science, 231, 4745, March 1986, pàg. 1577–1580. DOI: 10.1126/science.231.4745.1577. PMID: 17833317.
Pley HW, Flaherty KM, McKay DB «Three-dimensional structure of a hammerhead ribozyme». Nature, 372, 6501, November 1994, pàg. 68–74. DOI: 10.1038/372068a0. PMID: 7969422.
iupac.org
goldbook.iupac.org
IUPAC, Compendium of Chemical Terminology, 2a ed. ("The Gold Book") (1997). Versió corregida en línia: (2006–) "tertiary structure" (en anglès).
PDB3IGI; Toor N, Keating KS, Fedorova O, Rajashankar K, Wang J, Pyle AM «Tertiary architecture of the Oceanobacillus iheyensis group II intron». RNA, 16, 1, January 2010, pàg. 57–69. DOI: 10.1261/rna.1844010. PMC: 2802037. PMID: 19952115.; rendered using PyMOL.
Richmond, et al.; Davey, CA «The structure of DNA in the nucleosome core». Nature, 423, 6936, 2003, pàg. 145–150. DOI: 10.1038/nature01595. PMID: 12736678.
PDB3BWP; Toor N, Keating KS, Taylor SD, Pyle AM «Crystal structure of a self-spliced group II intron». Science, 320, 5872, abril 2008, pàg. 77–82. DOI: 10.1126/science.1153803. PMID: 18388288.; rendered with PyMOL
Doherty EA, Batey RT, Masquida B, Doudna JA «A universal mode of helix packing in RNA». Nat. Struct. Biol., 8, 4, abril 2001, pàg. 339–43. DOI: 10.1038/86221. PMID: 11276255.
Szewczak AA, Ortoleva-Donnelly L, Ryder SP, Moncoeur E, Strobel SA «A minor groove RNA triple helix within the catalytic core of a group I intron». Nat. Struct. Biol., 5, 12, December 1998, pàg. 1037–42. DOI: 10.1038/4146. PMID: 9846872.
Boudvillain M, de Lencastre A, Pyle AM «A tertiary interaction that links active-site domains to the 5' splice site of a group II intron». Nature, 406, 6793, July 2000, pàg. 315–8. DOI: 10.1038/35018589. PMID: 10917534.
PDB1RAU; Cheong C, Moore PB «Solution structure of an unusually stable RNA tetraplex containing G- and U-quartet structures». Biochemistry, 31, 36, September 1992, pàg. 8406–14. DOI: 10.1021/bi00151a003. PMID: 1382577.; rendered with PyMOL
PDB1FIT; Baugh C, Grate D, Wilson C «2.8 A crystal structure of the malachite green aptamer». J. Mol. Biol., 301, 1, August 2000, pàg. 117–28. DOI: 10.1006/jmbi.2000.3951. PMID: 10926496.; rendered with PyMOL
Gilbert SD, Rambo RP, Van Tyne D, Batey RT «Structure of the SAM-II riboswitch bound to S-adenosylmethionine». Nat. Struct. Mol. Biol., 15, 2, February 2008, pàg. 177–82. DOI: 10.1038/nsmb.1371. PMID: 18204466.
Batey RT, Gilbert SD, Montange RK «Structure of a natural guanine-responsive riboswitch complexed with the metabolite hypoxanthine». Nature, 432, 7015, November 2004, pàg. 411–5. DOI: 10.1038/nature03037. PMID: 15549109.
Arthanari H, Bolton PH «Functional and dysfunctional roles of quadruplex DNA in cells». Chem. Biol., 8, 3, March 2001, pàg. 221–30. DOI: 10.1016/S1074-5521(01)00007-2. PMID: 11306347.
Oliver AW, Bogdarina I, Schroeder E, Taylor IA, Kneale GG «Preferential binding of fd gene 5 protein to tetraplex nucleic acid structures». J. Mol. Biol., 301, 3, August 2000, pàg. 575–84. DOI: 10.1006/jmbi.2000.3991. PMID: 10966771.
Quigley GJ, Rich A «Structural domains of transfer RNA molecules». Science, 194, 4267, November 1976, pàg. 796–806. DOI: 10.1126/science.790568. PMID: 790568.
Walter AE, Turner DH, Kim J, Lyttle MH, Müller P, Mathews DH, Zuker M «Coaxial stacking of helixes enhances binding of oligoribonucleotides and improves predictions of RNA folding». Proc. Natl. Acad. Sci. U.S.A., 91, 20, September 1994, pàg. 9218–22. DOI: 10.1073/pnas.91.20.9218. PMC: 44783. PMID: 7524072.
Murphy FL, Wang YH, Griffith JD, Cech TR «Coaxially stacked RNA helices in the catalytic center of the Tetrahymena ribozyme». Science, 265, 5179, September 1994, pàg. 1709–12. DOI: 10.1126/science.8085157. PMID: 8085157.
Cate JH, Gooding AR, Podell E, Zhou K, Golden BL, Kundrot CE, Cech TR, Doudna JA «Crystal structure of a group I ribozyme domain: principles of RNA packing». Science, 273, 5282, September 1996, pàg. 1678–85. DOI: 10.1126/science.273.5282.1678. PMID: 8781224.
Lee AJ, Crothers DM «The solution structure of an RNA loop-loop complex: the ColE1 inverted loop sequence». Structure, 6, 8, August 1998, pàg. 993–1005. DOI: 10.1016/S0969-2126(98)00101-4. PMID: 9739090.
Ferré-D'Amaré AR, Zhou K, Doudna JA «Crystal structure of a hepatitis delta virus ribozyme». Nature, 395, 6702, October 1998, pàg. 567–74. DOI: 10.1038/26912. PMID: 9783582.
PDB1GID; Cate JH, Gooding AR, Podell E, Zhou K, Golden BL, Kundrot CE, Cech TR, Doudna JA «Crystal structure of a group I ribozyme domain: principles of RNA packing». Science, 273, 5282, September 1996, pàg. 1678–85. DOI: 10.1126/science.273.5282.1678. PMID: 8781224.; rendered with PyMOL
Nakano, M; Moody, EM; Liang, J; Bevilacqua, PC «Selection for thermodynamically stable DNA tetraloops using temperature gradient gel electrophoresis reveals four motifs: d(cGNNAg), d(cGNABg),d(cCNNGg), and d(gCNNGc).». Biochemistry, 41, 48, 2002, pàg. 14281–92. DOI: 10.1021/bi026479k. PMID: 12450393.
Abramovitz DL, Pyle AM «Remarkable morphological variability of a common RNA folding motif: the GNRA tetraloop-receptor interaction». J. Mol. Biol., 266, 3, February 1997, pàg. 493–506. DOI: 10.1006/jmbi.1996.0810. PMID: 9067606.
Moody EM, Feerrar JC, Bevilacqua PC «Evidence that folding of an RNA tetraloop hairpin is less cooperative than its DNA counterpart». Biochemistry, 43, 25, June 2004, pàg. 7992–8. DOI: 10.1021/bi049350e. PMID: 15209494.
Jaeger L, Michel F, Westhof E «Involvement of a GNRA tetraloop in long-range RNA tertiary interactions». J. Mol. Biol., 236, 5, March 1994, pàg. 1271–6. DOI: 10.1016/0022-2836(94)90055-8. PMID: 7510342.
Michel F, Westhof E «Modelling of the three-dimensional architecture of group I catalytic introns based on comparative sequence analysis». J. Mol. Biol., 216, 3, December 1990, pàg. 585–610. DOI: 10.1016/0022-2836(90)90386-Z. PMID: 2258934.
Nissen P, Ippolito JA, Ban N, Moore PB, Steitz TA «RNA tertiary interactions in the large ribosomal subunit: the A-minor motif». Proc. Natl. Acad. Sci. U.S.A., 98, 9, abril 2001, pàg. 4899–903. DOI: 10.1073/pnas.081082398. PMC: 33135. PMID: 11296253.
Yoshizawa S, Fourmy D, Puglisi JD «Recognition of the codon-anticodon helix by ribosomal RNA». Science, 285, 5434, September 1999, pàg. 1722–5. DOI: 10.1126/science.285.5434.1722. PMID: 10481006.
Tamura M, Holbrook SR «Sequence and structural conservation in RNA ribose zippers». J. Mol. Biol., 320, 3, July 2002, pàg. 455–74. DOI: 10.1016/S0022-2836(02)00515-6. PMID: 12096903.
PDB1ZZN; Stahley MR, Strobel SA «Structural evidence for a two-metal-ion mechanism of group I intron splicing». Science, 309, 5740, September 2005, pàg. 1587–90. DOI: 10.1126/science.1114994. PMID: 16141079.; rendered with PyMOL
Celander DW, Cech TR «Visualizing the higher order folding of a catalytic RNA molecule». Science, 251, 4992, January 1991, pàg. 401–7. DOI: 10.1126/science.1989074. PMID: 1989074.
Pyle AM «Metal ions in the structure and function of RNA». J. Biol. Inorg. Chem., 7, 7-8, September 2002, pàg. 679–90. DOI: 10.1007/s00775-002-0387-6. PMID: 12203005.
Cate JH, Doudna JA «Metal-binding sites in the major groove of a large ribozyme domain». Structure, 4, 10, October 1996, pàg. 1221–9. DOI: 10.1016/S0969-2126(96)00129-3. PMID: 8939748.
Kieft JS, Tinoco I «Solution structure of a metal-binding site in the major groove of RNA complexed with cobalt (III) hexammine». Structure, 5, 5, maig 1997, pàg. 713–21. DOI: 10.1016/S0969-2126(97)00225-6. PMID: 9195889.
Rüdisser S, Tinoco I «Solution structure of Cobalt(III)hexammine complexed to the GAAA tetraloop, and metal-ion binding to G·A mismatches». J. Mol. Biol., 295, 5, February 2000, pàg. 1211–23. DOI: 10.1006/jmbi.1999.3421. PMID: 10653698.
Burkhardt C, Zacharias M «Modelling ion binding to AA platform motifs in RNA: a continuum solvent study including conformational adaptation». Nucleic Acids Res., 29, 19, October 2001, pàg. 3910–8. PMC: 60250. PMID: 11574672.
Panyutin, IG; Biswas, I; Hsieh, P «A pivotal role for the structure of the Holliday junction in DNA branch migration.». The EMBO journal, 14, 8, 1995, pàg. 1819–26. PMC: 398275. PMID: 7737132.
Watson JD, Crick FH «Molecular structure of nucleic acids: a structure for deoxyribose nucleic acid. J.D. Watson and F.H.C. Crick. Published in Nature, number 4356 April 25, 1953». Nature, 248, 5451, abril 1974, pàg. 765. PMID: 4599080.
Holley, RW, Apgar, J, Everett, GA, Madison, JT, Marguisse, M, Merrill, SH, Penwick, JR, Zamir «Structure of a ribonucleic acid». Science, 147, March 1965, pàg. 1462–5. DOI: 10.1126/science.147.3664.1462. PMID: 14263761.
Kim SH, Quigley G, Suddath FL, Rich A «High-resolution x-ray diffraction patterns of crystalline transfer RNA that show helical regions». Proc. Natl. Acad. Sci. U.S.A., 68, 4, abril 1971, pàg. 841–5. DOI: 10.1073/pnas.68.4.841. PMC: 389056. PMID: 5279525.
Shen LX, Cai Z, Tinoco I «RNA structure at high resolution». FASEB J., 9, 11, August 1995, pàg. 1023–33. PMID: 7544309.
Cech TR, Zaug AJ, Grabowski PJ «In vitro splicing of the ribosomal RNA precursor of Tetrahymena: involvement of a guanosine nucleotide in the excision of the intervening sequence». Cell, 27, 3 Pt 2, December 1981, pàg. 487–96. DOI: 10.1016/0092-8674(81)90390-1. PMID: 6101203.
Stark BC, Kole R, Bowman EJ, Altman S «Ribonuclease P: an enzyme with an essential RNA component». Proc. Natl. Acad. Sci. U.S.A., 75, 8, August 1978, pàg. 3717–21. DOI: 10.1073/pnas.75.8.3717. PMC: 392857. PMID: 358197.
Prody GA, Bakos JT, Buzayan JM, Schneider IR, Bruening G «Autolytic Processing of Dimeric Plant Virus Satellite RNA». Science, 231, 4745, March 1986, pàg. 1577–1580. DOI: 10.1126/science.231.4745.1577. PMID: 17833317.
Pley HW, Flaherty KM, McKay DB «Three-dimensional structure of a hammerhead ribozyme». Nature, 372, 6501, November 1994, pàg. 68–74. DOI: 10.1038/372068a0. PMID: 7969422.
rcsb.org
PDB3IGI; Toor N, Keating KS, Fedorova O, Rajashankar K, Wang J, Pyle AM «Tertiary architecture of the Oceanobacillus iheyensis group II intron». RNA, 16, 1, January 2010, pàg. 57–69. DOI: 10.1261/rna.1844010. PMC: 2802037. PMID: 19952115.; rendered using PyMOL.
PDB3BWP; Toor N, Keating KS, Taylor SD, Pyle AM «Crystal structure of a self-spliced group II intron». Science, 320, 5872, abril 2008, pàg. 77–82. DOI: 10.1126/science.1153803. PMID: 18388288.; rendered with PyMOL
PDB1RAU; Cheong C, Moore PB «Solution structure of an unusually stable RNA tetraplex containing G- and U-quartet structures». Biochemistry, 31, 36, September 1992, pàg. 8406–14. DOI: 10.1021/bi00151a003. PMID: 1382577.; rendered with PyMOL
PDB1FIT; Baugh C, Grate D, Wilson C «2.8 A crystal structure of the malachite green aptamer». J. Mol. Biol., 301, 1, August 2000, pàg. 117–28. DOI: 10.1006/jmbi.2000.3951. PMID: 10926496.; rendered with PyMOL
PDB1GID; Cate JH, Gooding AR, Podell E, Zhou K, Golden BL, Kundrot CE, Cech TR, Doudna JA «Crystal structure of a group I ribozyme domain: principles of RNA packing». Science, 273, 5282, September 1996, pàg. 1678–85. DOI: 10.1126/science.273.5282.1678. PMID: 8781224.; rendered with PyMOL
PDB1ZZN; Stahley MR, Strobel SA «Structural evidence for a two-metal-ion mechanism of group I intron splicing». Science, 309, 5740, September 2005, pàg. 1587–90. DOI: 10.1126/science.1114994. PMID: 16141079.; rendered with PyMOL
PDB3IGI; Toor N, Keating KS, Fedorova O, Rajashankar K, Wang J, Pyle AM «Tertiary architecture of the Oceanobacillus iheyensis group II intron». RNA, 16, 1, January 2010, pàg. 57–69. DOI: 10.1261/rna.1844010. PMC: 2802037. PMID: 19952115.; rendered using PyMOL.
PDB3BWP; Toor N, Keating KS, Taylor SD, Pyle AM «Crystal structure of a self-spliced group II intron». Science, 320, 5872, abril 2008, pàg. 77–82. DOI: 10.1126/science.1153803. PMID: 18388288.; rendered with PyMOL
PDB1RAU; Cheong C, Moore PB «Solution structure of an unusually stable RNA tetraplex containing G- and U-quartet structures». Biochemistry, 31, 36, September 1992, pàg. 8406–14. DOI: 10.1021/bi00151a003. PMID: 1382577.; rendered with PyMOL
PDB1FIT; Baugh C, Grate D, Wilson C «2.8 A crystal structure of the malachite green aptamer». J. Mol. Biol., 301, 1, August 2000, pàg. 117–28. DOI: 10.1006/jmbi.2000.3951. PMID: 10926496.; rendered with PyMOL
PDB1GID; Cate JH, Gooding AR, Podell E, Zhou K, Golden BL, Kundrot CE, Cech TR, Doudna JA «Crystal structure of a group I ribozyme domain: principles of RNA packing». Science, 273, 5282, September 1996, pàg. 1678–85. DOI: 10.1126/science.273.5282.1678. PMID: 8781224.; rendered with PyMOL
PDB1ZZN; Stahley MR, Strobel SA «Structural evidence for a two-metal-ion mechanism of group I intron splicing». Science, 309, 5740, September 2005, pàg. 1587–90. DOI: 10.1126/science.1114994. PMID: 16141079.; rendered with PyMOL
