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. 2004 Jul;135(3):1491–1501. doi: 10.1104/pp.104.040832

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Copyright © 2004, American Society of Plant Biologists

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Figure 1. — Sequence analysis of VFUL-L, VAP1, and related SQUA-like proteins. A, VFUL-L protein and sequence comparison to other FUL-like proteins. B, VAP1 protein and sequence comparison to AP1/SQUA-like proteins. In both alignments, the MADS-box (M), I-region (I), and K-box (K) are indicated. In the I-region, the sequence highly conserved between both proteins is underlined with a continuous line. Dashed lines indicate distinctive sequences in the K-box. The highly divergent C-terminals show some conserved motives in each group (dotted line), mainly in the AP1 group that includes the prenylation motif (white box). C, Phylogenetic tree of the predicted SQUA-like proteins from different eudicots plant species (accession no. in parentheses): Antirrhinum SQUA, DEFH28, AmFUL (X63701, AY040247, AY306139); Arabidopsis AP1, CAL, FUL, AtFL (Z16421, L36925, AY072463, Q9LI72); Apple MdMADS2, MdMADS5 (U78948, AJ000759); Betula pendula BpMADS3, BpMADS4, BpMADS5 (X99653, X99654, X99655); Cauliflower BOAP1 (Z37968); Clarkia concinna CcFL (AY306143); Corylopsis sinensis CsAP1, CsFUL (AY306146, AY306147); Eucalyptus EAP1 (AF305076); Heuchera americana HeaAP1, HeaFL, HeaFUL (AY306148, AY306149, AY306150); Nicotiana sylvestris NsMADS2 (AF068726); Nicotiana tabacum NAP1-1, NAP1-2, NTMADS5 (AF009126, AF009127, AF068724); Petunia PFG, FBP26, FBP29 (AF176782, AY370517, AF335245); Pea PEAM4 (AF461740); Phytolacca americana PaAP1, PaFL1, PaFL2, PaFUL (AY306160, AY306161, AY306162, AY306163); Potato POTM1-1, SCM1 (U23757, AF002666); Silene latifolia SLM5 (X80492); Sinapis alba SaMADSC, SaMADSB (Q41276, Q41274); Tomato TRD4 (AY098732). Bootstrap support values are indicated when over 50. In order to root the SQUA subfamily, Arabidopsis SEP1 (M55551), SEP2 (M55552), and SEP3 (AF015552) were used as outgroup.

Figure 1. — Sequence analysis of VFUL-L, VAP1, and related SQUA-like proteins. A, VFUL-L protein and sequence comparison to other FUL-like proteins. B, VAP1 protein and sequence comparison to AP1/SQUA-like proteins. In both alignments, the MADS-box (M), I-region (I), and K-box (K) are indicated. In the I-region, the sequence highly conserved between both proteins is underlined with a continuous line. Dashed lines indicate distinctive sequences in the K-box. The highly divergent C-terminals show some conserved motives in each group (dotted line), mainly in the AP1 group that includes the prenylation motif (white box). C, Phylogenetic tree of the predicted SQUA-like proteins from different eudicots plant species (accession no. in parentheses): Antirrhinum SQUA, DEFH28, AmFUL (X63701, AY040247, AY306139); Arabidopsis AP1, CAL, FUL, AtFL (Z16421, L36925, AY072463, Q9LI72); Apple MdMADS2, MdMADS5 (U78948, AJ000759); Betula pendula BpMADS3, BpMADS4, BpMADS5 (X99653, X99654, X99655); Cauliflower BOAP1 (Z37968); Clarkia concinna CcFL (AY306143); Corylopsis sinensis CsAP1, CsFUL (AY306146, AY306147); Eucalyptus EAP1 (AF305076); Heuchera americana HeaAP1, HeaFL, HeaFUL (AY306148, AY306149, AY306150); Nicotiana sylvestris NsMADS2 (AF068726); Nicotiana tabacum NAP1-1, NAP1-2, NTMADS5 (AF009126, AF009127, AF068724); Petunia PFG, FBP26, FBP29 (AF176782, AY370517, AF335245); Pea PEAM4 (AF461740); Phytolacca americana PaAP1, PaFL1, PaFL2, PaFUL (AY306160, AY306161, AY306162, AY306163); Potato POTM1-1, SCM1 (U23757, AF002666); Silene latifolia SLM5 (X80492); Sinapis alba SaMADSC, SaMADSB (Q41276, Q41274); Tomato TRD4 (AY098732). Bootstrap support values are indicated when over 50. In order to root the SQUA subfamily, Arabidopsis SEP1 (M55551), SEP2 (M55552), and SEP3 (AF015552) were used as outgroup.

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