PI(4,5)P2 and Mss4 dynamics
| Condition | t1/2 (s) | Mobile Fraction | n |
| PI(4,5)P2 | |||
| Budding | 15.8 ± 4.5 | 0.56 ± 0.12 | 12 |
| 30 min FCS | 9.6 ± 3.3 | 0.74 ± 0.16 | 22 |
| 30 min FCS + LatA | 13.5 ± 3.3 | 0.61 ± 0.15 | 16 |
| 60 min FCS | 9.5 ± 3.4 | 0.68 ± 0.09 | 12 |
| Mss4 | |||
| Budding | 6.2 ± 1.8 | 0.91 ± 0.05 | 11 |
| 30 min FCS | 6.1 ± 2.7 | 0.90 ± 0.11 | 12 |
| 60 min FCS | 4.4 ± 1.2 | 0.82 ± 0.10 | 11 |
| Condition | t1/2 (s) | Mobile Fraction | n |
| PI(4,5)P2 | |||
| Budding | 15.8 ± 4.5 | 0.56 ± 0.12 | 12 |
| 30 min FCS | 9.6 ± 3.3 | 0.74 ± 0.16 | 22 |
| 30 min FCS + LatA | 13.5 ± 3.3 | 0.61 ± 0.15 | 16 |
| 60 min FCS | 9.5 ± 3.4 | 0.68 ± 0.09 | 12 |
| Mss4 | |||
| Budding | 6.2 ± 1.8 | 0.91 ± 0.05 | 11 |
| 30 min FCS | 6.1 ± 2.7 | 0.90 ± 0.11 | 12 |
| 60 min FCS | 4.4 ± 1.2 | 0.82 ± 0.10 | 11 |
FRAP analyses were carried out as described in Fig. S5 and Materials and methods with a circular area of 0.6 µm2 photobleached. For PI(4,5)P2 FRAP analyses, wild-type cells expressing the GFP-PHPlcδ-PHPlcδ-GFP reporter were used.