Table 2. DALI-identified structural homologs of bcPadR1 and bcPadR2.^* .

	bcPadR1/bcPadR2
PDB-ID	Z-score	RMSD (Å)	Cα aligned	Nr. res	% id.	Protein name	Protein family	Ref.
3HHH	16.1/17.7	1.6/1.7	101/101	103/103	42/61	n.k.	PadR-s2	u.
3L7W	14.2/13.6	2.0/2.7	99/100	106/106	27/27	n.k.	PadR-s2	u.
3RI2	14.0/14.0	2.5/1.6	99/100	112/112	30/26	n.k.	PadR-s2	u.
1XMA	13.9/14.8	2.6/1.5	97/98	103/101	22/20	n.k.	PadR-s2	u.
1LNW	12.8/12.0	2.7/3.0	93/88	141/141	13/16	MexR	MarR	[40]
3F8B	12.5/11.7	3.1/2.7	100/98	105/101	23/30	LmrR	PadR-s2	[9]
1YG2	11.0/10.6	3.2/2.8	83/82	169/169	22/24	AphA	PadR-s1	[8]
1F4K	10.6/11.0	3.1/2.5	98/98	115/115	12/15	RTP	RTP	[34]
1SMT	10.1/9.5	2.6/2.9	78/77	98/101	14/19	SmtB	SmtB/ArsR	[41]
1SD6	9.7/9.6	3.3/3.1	84/84	119/119	15/19	BlaI	MecI/BlaI	[35]
2E1N	9.3/9.1	3.5/3.1	90/89	112/112	21/25	Pex	PadR-s1	[7]

Abbreviations: PadR-s1, PadR-like subfamily-1; PadR-s2, PadR-like subfamily-2, n.k., not known; u, unpublished.

^*The DALI-search was performed using a single subunit of each bcPadR dimer.