Table 2. Top unique homologs of A3404 from the DALI server (Z score > 10).

Molecule	PDB code	Type	Z †	R.m.s.d. ()	Res.‡	Align.§	Identity (%)	Method	Reference
CurA ACPI	2liu	PKS ACP	14.0	1.0	99	80	30	NMR	Busche et al. (2011 ▶)
BlmI	4i4d	Type II NRPS PCP	13.9	1.6	83	78	19	X-ray	Lohman et al. (2014 ▶)
Protein ASL1650	2afd	PKS/NRPS carrier protein	13.0	1.4	88	79	32	NMR	Johnson et al. (2006 ▶)
Erythronolide synthase	2ju2	PKS ACP	12.0	1.6	95	79	29	NMR	Alekseyev et al. (2007 ▶)
EntF	3tej	NRPS PCP	11.5	2.0	320	72	19	X-ray	Liu et al. (2011 ▶)
TtACP	1x3o	Thermus thermophilus ACP	11.2	1.8	78	80	23	X-ray	RIKEN Structural Genomics/Proteomics Initiative (unpublished work)
Tyrocidine synthetase 3	2jgp	Type II NRPS PCP	11.0	1.9	520	74	19	X-ray	Samel et al. (2007 ▶)
SaACP	4dxe	Staphylococcus aureus ACP	10.7	1.8	75	77	16	X-ray	Center for Structural Genomics of Infectious Diseases (unpublished work)
Mupircin ACP	2l22	Tandem PKS ACP	10.6	1.8	76	183	22	NMR	Haines et al. (2013 ▶)
ScACP	2koq	Streptomyces coelicolor ACP	10.4	2.1	79	81	14	NMR	Posko et al. (2010 ▶)
RcACP	2xz1	Rice ACP	10.4	2.2	76	82	18	X-ray	Guy et al. (2011 ▶)
PfACP	3gzm	Plasmodium falciparum ACP	10.2	2.0	77	81	18	X-ray	Gallagher Prigge (2010 ▶)
RpACP	2kw2	Rhodopseudomonas palustris ACP	10.1	1.9	74	101	19	NMR	Ramelot et al. (2012 ▶)
SoACP	2fve	Spinach ACP	10.0	2.1	77	82	18	NMR	Zornetzer et al. (2006 ▶)

^†The Z-score is a pairwise comparison score to allow ranking of the results.

^‡The number of total residues in a given structure.

^§The number of residues that were aligned with the query sequence (A3404).