Table 1.

Crystal structures of mannose-binding lectins, and their affinity for α-D-mannose (1) or methyl α-D-mannopyranoside (2).

lectin	target	affinity [µM]	ligand efficiency	PDB code	resolution [Å]	reference
A	BDCA-2	9.4 × 103 a	0.22	4ZES	1.65	[40]
B	langerin	4.4 × 103 a	0.25	4N37	2.00	[41]
C	SP-D	3.8 × 103 b	0.28	3G81	1.80	[42]
D	DC-SIGNR	2.5 × 103 b	0.30	1K9Jc	1.90	[43,46]
E	DC-SIGN	2.3 × 103 b	0.31	1SL4c	1.55	[22,43]
F	rat MBP	1.3 × 103 b	0.34	1KWU	1.95	[44,47]
G	LecB	71a	0.45	1OUR	1.42	[29,45]
H	BC2L-A	2.8a	0.60	2VNV	1.70	[31]
I	FimHLD	1.2a	0.61	5JCQ	1.60	[48]

^aAffinity of methyl α-D-mannoside (2); ^baffinity of α-D-mannose (1); ^cmodified oligopyranomannose crystal structure.