Table 2. Salt bridges and side-chain hydrogen bonds in T. thermophilus, E. coli and M. tuberculosis ENR.
Homologous interactions are shown on the same row. An asterisk indicates an intermolecular interaction between monomers.
| Salt bridges | Side-chain hydrogen bonds | ||||
|---|---|---|---|---|---|
| T. thermophilus ENR | E. coli ENR | M. tuberculosis ENR | T. thermophilus ENR | E. coli ENR | M. tuberculosis ENR |
| Asp5/Ser7 | |||||
| Lys7/Asp235 | Lys8/Asp248 | ||||
| Arg9/Asn86 | |||||
| Lys10/Glu36 | Arg9/Gln35 | ||||
| Thr17/Ser19 | |||||
| His24/Arg27 | |||||
| Arg27/Glu31 | |||||
| Lys29/Glu32 | |||||
| Lys29/Glu224 | |||||
| Arg30/Glu31 | |||||
| Arg30/Asn227 | |||||
| Glu34/Trp82 | |||||
| Tyr41/Arg47 | |||||
| Tyr41/Glu44 | |||||
| Asp42/Arg43 | |||||
| Gln42/Asp66 | Gln40/Asp64 | ||||
| Arg47/Glu51 | |||||
| Gln48/Asp52 | |||||
| Arg53/Glu220* | |||||
| Arg64/Glu72 | Gln62/Ser70 | ||||
| Asp66/Thr68 | |||||
| Gln66/Lys118 | |||||
| Thr68/Gln69 | |||||
| Asp70/Arg111* | Asp68/Arg110* | ||||
| Asp70/Arg131 | |||||
| Ser73/Arg77 | |||||
| Asp74/Arg131 | |||||
| Asp88/Arg137 | Asp86/Asn136 | Asp89/Asn139 | |||
| His92/Ser124 | His90/Ser123 | His93/Ser126 | |||
| His92/Thr144 | His90/Thr143 | ||||
| Arg99/Glu103 | |||||
| Thr101/Asp115 | |||||
| Arg105/Glu133* | Asp103/Arg132* | ||||
| Arg105/Asp108 | |||||
| Tyr106/Trp114 | |||||
| Tyr106/Ser170* | Tyr104/Asn169* | ||||
| Asn106/Arg132 | |||||
| Arg111/Glu119* | Arg110/Asp118* | ||||
| Arg111/Asp70* | Arg110/Asp68* | ||||
| His117/Ser165 | |||||
| Glu119/Arg111* | Asp118/Arg110* | ||||
| Ser121/Ser165 | |||||
| Tyr127/Asn172 | |||||
| Tyr127/Ser186 | |||||
| Arg132/Glu180 | |||||
| Glu133/Arg105* | Arg132/Asp103* | ||||
| Thr146/Glu168 | Ser145/Glu167 | Asp148/Glu169 | |||
| Tyr148/Lys152* | |||||
| Asp150/Ser152 | |||||
| Ser150/Glu168 | |||||
| Glu150/His246 | Glu151/Tyr247 | ||||
| Glu151/Lys152* | |||||
| Lys152/Glu151* | |||||
| Lys152/Tyr148* | |||||
| Asn175/Asn257* | |||||
| Ser170/Tyr106* | Asn169/Tyr104* | ||||
| Asn172/Ser186* | |||||
| Arg177/Gln267* | |||||
| Glu178/Lys181* | |||||
| Arg183/Ser237 | |||||
| Lys181/Glu178* | |||||
| Ser186/Asn172* | |||||
| Asn187/Thr253 | |||||
| Arg195/Glu219 | |||||
| Arg210/Gln213 | |||||
| Arg219/Glu225 | Arg218/Asp224 | ||||
| Glu220/Arg53* | |||||
| Thr222/Glu224 | Thr221/Glu223 | ||||
| Thr222/Glu225 | Thr221/Asp224 | ||||
| Glu225/Ser239* | |||||
| Ser239/Glu225* | |||||
| Glu244/His253* | Glu243/His246* | ||||
| His253/Glu244* | His246/Glu243* | ||||
| Asn257/Asn175* | |||||
| Thr266/Gln267 | |||||
| Gln267/Arg177* | |||||