. Author manuscript; available in PMC: 2022 Jul 14.

Published in final edited form as: Chem Rev. 2021 Jun 15;121(13):7957–8094. doi: 10.1021/acs.chemrev.1c00138

Table 1.

Zn(II)-ligand, Zn(II)-Zn(II) and Zn(II)-water distances in the active site of MBLs in the unbound forms obtained from X-ray crystallographic structures.

				Distance (Å)
PDB code	Enzyme (subclass)	Resolution (Å)	Reference	Chain	Zn1-Zn2	Wat1-Zn1	Wat1-Zn2	Wat2-Zn2
1BC2	BcII (B1)	1.90	²²⁶	A	3.8	1.9	2.5	2.6
1BC2	BcII (B1)	1.90	²²⁶	B	4.4	1.9	3.1	2.7
5ZGZ	NDM-1 (B1)	0.95	²⁵⁸	A	3.6	2.0	2.0	2.2
5N5G	VIM-1 (B1)	1.29	²⁵⁹	A	3.6	1.9	2.2	2.1
6CQS	SPS-1 (B1)	1.70	²³⁰	A	3.5	-	-	2.7
2FM6	L1 (B3)	1.75	²⁶⁰	A	3.5	1.9	1.9	2.5
2FM6	L1 (B3)	1.75	²⁶⁰	B	3.5	1.8	2.1	2.5
3LVZ	BJP(B3)	1.4	²⁶¹	A	3.4	1.9	2.1	2.5
3LVZ	BJP(B3)	1.4	²⁶¹	B	3.4	2.0	2.0	2.4
5K0W	GOB-18 (B3)	2.61	²⁵⁴	A	3.5	2.1	2.1	-
5K0W	GOB-18 (B3)	2.61	²⁵⁴	B	3.8	2.3	2.2

					Wat1-H118	Wat1-D120	Wat1-H196	Wat1-Zn2	Wat2-Zn2
1X8G	CphA (B2)	1.70	²⁴⁵	A	3.1	3.4	4.4	4.0	-
3SD9	Sfh-I (B2)	1.83	²⁴⁶	A	2.0	3.8	2.5	3.5	2.2
3SD9	Sfh-I (B2)	1.83	²⁴⁶	B	2.0	4.4	2.4	3.4	2.3