4DXG
Crystal structure of Staphylococcal Superantigen-Like protein 4 complexed with sialyl Lewis X
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A (A) | Staphylococcal enterotoxin-like toxin | polymer | 204 | 23399.0 | 1 | UniProt (A6QE81) Pfam (PF09199) Pfam (PF02876) UniProt (by SIFTS) (A0A0H3K6A3) | Staphylococcus aureus | Superantigen-Like protein 4 |
2 | B (B) | N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-alpha-D-glucopyranose | branched | 820.7 | 1 | In PDB BIRD (PRD_900122) GlyTouCan (G07675NG) | Sialyl-Lewis X antigen, alpha anomer | ||
3 | C (A) | PIPERAZINE-N,N'-BIS(2-ETHANESULFONIC ACID) | non-polymer | 302.4 | 1 | Chemie (PIN) | |||
4 | D, E (A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
5 | F (A) | water | water | 18.0 | 62 | Chemie (HOH) |
Sequence modifications
A: 1 - 200 (UniProt: A6QE81)
PDB | External Database | Details |
---|---|---|
Gly -3 | - | expression tag |
Pro -2 | - | expression tag |
Gly -1 | - | expression tag |
Ser 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 23399.0 | |
Branched | Number of molecules | 1 |
Total formula weight | 820.7 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 373.3 | |
All* | Total formula weight | 24593.0 |