7A5X
Two copies of the catalytic domain of NanA sialidase from Streptococcus pneumoniae juxtaposed in the P212121 space group, in complex with DANA derivatized with a PEG linker on the glycerol group.
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Sialidase A | polymer | 498 | 56141.6 | 2 | UniProt (P62575) Pfam (PF13088) In PDB | Streptococcus pneumoniae | Neuraminidase A |
2 | A, B | (4~{S},5~{R},6~{R})-5-acetamido-6-[(1~{R},2~{S})-3-[[1-(2-ethoxyethyl)-1,2,3-triazol-4-yl]methylsulfanyl]-1,2-bis(oxidanyl)propyl]-4-oxidanyl-oxane-2-carboxylic acid | non-polymer | 462.5 | 2 | Chemie (R7H) | |||
3 | A, B | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
4 | A, B | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
5 | A, B | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
6 | water | water | 18.0 | 746 | Chemie (HOH) |
Sequence modifications
A, B: 303 - 776 (UniProt: P62575)
PDB | External Database | Details |
---|---|---|
Met 279 | - | initiating methionine |
Gly 280 | - | expression tag |
His 281 | - | expression tag |
His 282 | - | expression tag |
His 283 | - | expression tag |
His 284 | - | expression tag |
His 285 | - | expression tag |
His 286 | - | expression tag |
His 287 | - | expression tag |
His 288 | - | expression tag |
His 289 | - | expression tag |
His 290 | - | expression tag |
Ser 291 | - | expression tag |
Ser 292 | - | expression tag |
Gly 293 | - | expression tag |
His 294 | - | expression tag |
Ile 295 | - | expression tag |
Asp 296 | - | expression tag |
Asp 297 | - | expression tag |
Asp 298 | - | expression tag |
Asp 299 | - | expression tag |
Lys 300 | - | expression tag |
His 301 | - | expression tag |
Met 302 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 112283.2 | |
Non-Polymers* | Number of molecules | 10 |
Total formula weight | 1339.1 | |
All* | Total formula weight | 113622.3 |