Azoles

What is the primary target and mechanism of action of azole antifungal drugs?

1: They target the cell wall of fungi, by blocking glucan synthesis.
2: They target the cell membrane of fungi, by inhibiting ergosterol synthesis.
3: They target fungal DNA synthesis, by inhibiting DNA gyrase.
4: They target protein synthesis in fungi, by inhibiting the 30S ribosomal subunit.