2AOS
Protein-protein Interactions of protective signalling factor: Crystal structure of ternary complex involving signalling protein from goat (SPG-40), tetrasaccharide and a tripeptide Trp-pro-Trp at 2.9 A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Signaling protein from goat, SPG-40 | polymer | 361 | 40728.1 | 1 | GenBank (19526603) Pfam (PF00704) UniProt (by SIFTS) (Q8SPQ0) In PDB | Capra hircus (goat) | Mammary gland protein MGP-40, BP40, Chitinase-3-like protein 1 |
| 2 | D | Trp-Pro-Trp tripeptide | polymer | 3 | 487.6 | 1 | |||
| 3 | B | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 830.8 | 1 | In PDB GlyTouCan (G01361SX) | |||
| 4 | C | alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 586.5 | 1 | In PDB GlyTouCan (G52260VY) | |||
| 5 | water | water | 18.0 | 99 | Chemie (HOH) |
Sequence modifications
A: 1 - 362 (GenBank: 19526603)
| PDB | External Database | Details |
|---|---|---|
| Val 33 | Ile 54 | SEE REMARK 999 |
| Ala 131 | Gly 152 | SEE REMARK 999 |
| Asn 205 | Gln 226 | SEE REMARK 999 |
| Ser 206 | Glu 227 | SEE REMARK 999 |
| - | Asp 232 | SEE REMARK 999 |
| Arg 361 | Glu 382 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 41215.6 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1417.3 | |
| All* | Total formula weight | 42633.0 |
