| P10903 | DB14049 | 4u4t | NO3 | A | 501 | e4u4tA1 | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | MFS_1 |
| P10903 | DB14049 | 4u4t | NO3 | A | 501 | e4u4tA2 | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | n/a |
| P10903 | DB14049 | 4u4w | NO3 | A | 501 | e4u4wA1 | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | n/a |
| P10903 | DB14049 | 4u4w | NO3 | A | 501 | e4u4wA2 | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | MFS_1 |
| P10903 | DB14049 | 4u4w | NO3 | B | 501 | e4u4wB1 | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | MFS_1 |
| P10903 | DB14049 | 4u4w | NO3 | B | 501 | e4u4wB2 | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | Major facilitator superfamily (MFS) general substrate transporter | n/a |