4J2K
Crystal structure of a plant trypsin inhibitor EcTI
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Trypsin inhibitor | polymer | 176 | 19866.5 | 2 | UniProt (P86451) Pfam (PF00197) | Enterolobium contortisiliquum (Pacara earpod tree) | EcTI |
| 2 | C, E (A, B) | IMIDAZOLE | non-polymer | 69.1 | 2 | Chemie (IMD) | |||
| 3 | D, F (A, B) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 4 | G, H (A, B) | water | water | 18.0 | 229 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 176 (UniProt: P86451)
| PDB | External Database | Details |
|---|---|---|
| Ser 49 | Gly 49 | conflict |
| Arg 81 | Lys 81 | conflict |
| Glu 88 | Arg 88 | conflict |
| Trp 95 | Arg 95 | conflict |
| Lys 96 | Glu 96 | conflict |
| Val 97 | Glu 97 | conflict |
| Gly 99 | Gln 99 | conflict |
| Glu 100 | His 100 | conflict |
| Gln 102 | - | insertion |
| Ile 106 | Leu 105 | conflict |
| Glu 112 | Ala 111 | conflict |
| Gln 113 | Ala 112 | conflict |
| His 114 | Ala 113 | conflict |
| Leu 115 | - | insertion |
| Ser 118 | Unk 116 | conflict |
| Phe 119 | Glu 117 | conflict |
| Ile 121 | Leu 119 | conflict |
| Leu 130 | Ile 128 | conflict |
| Asn 136 | Gly 134 | conflict |
| Leu 156 | Arg 154 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 39733.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 322.4 | |
| All* | Total formula weight | 40055.3 |
