| Protein Name | PDB ID | Species | Localization | Num. Subunits | Num. TM Sec. Structs. | Hydrophobic Thickness or Depth (Å) | Tilt Angle (°) | ΔGtransfer (kcal/mol) |
|---|---|---|---|---|---|---|---|---|
| ABC transporter BtuCD, symmetric structure | 1l7v | Escherichia coli | Bact. Gram-neg inner | 2 | 22 | 30.7 ± 1.1 | 0 ± 1 | -121.0 |
| ABC transporter BtuCD, complex with BtuF, structure 1 | 2qi9 | Escherichia coli | Bact. Gram-neg inner | 2 | 22 | 29.4 ± 0.9 | 4 ± 4 | -123.5 |
| ABC transporter BtuCD, nucleotide-bound state | 4fi3 | Escherichia coli | Bact. Gram-neg inner | 2 | 20 | 29.0 ± 1.0 | 0 ± 0 | -118.3 |
| ABC transporter BtuCD, complex with BtuF, structure 2 | 4dbl | Escherichia coli | Bact. Gram-neg inner | 2 | 20 | 29.4 ± 1.0 | 4 ± 0 | -123.4 |
| ABC transporter permease HI1471 | 2nq2 | Haemophilus influenzae | Bact. Gram-neg inner | 2 | 20 | 31.9 ± 0.9 | 1 ± 1 | -124.2 |
| Hemin transport system permease, HmuU | 4g1u | Yersinia pestis | Bact. Gram-neg inner | 2 | 20 | 29.8 ± 0.5 | 0 ± 0 | -114.3 |