9C4O
Cryo-EM structure of PqqU with ligand PQQ
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | Pyrroloquinoline quinone transporter | polymer | 707 | 78401.2 | 1 | UniProt (P76115) Pfam (PF07715) Pfam (PF00593) In PDB | Escherichia coli BW25113 | PQQ transporter,TonB-dependent receptor PqqU |
2 | A | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
3 | A | PYRROLOQUINOLINE QUINONE | non-polymer | 330.2 | 1 | Chemie (PQQ) | |||
4 | water | water | 18.0 | 111 | Chemie (HOH) |
Sequence modifications
A: 24 - 700 (UniProt: P76115)
PDB | External Database | Details |
---|---|---|
Met -6 | - | initiating methionine |
Ser -5 | - | expression tag |
Asn -4 | - | expression tag |
His -3 | - | expression tag |
His -2 | - | expression tag |
His -1 | - | expression tag |
His 0 | - | expression tag |
His 1 | - | expression tag |
His 2 | - | expression tag |
His 3 | - | expression tag |
His 4 | - | expression tag |
His 5 | - | expression tag |
His 6 | - | expression tag |
Glu 7 | - | expression tag |
Asn 8 | - | expression tag |
Leu 9 | - | expression tag |
Tyr 10 | - | expression tag |
Phe 11 | - | expression tag |
Gln 12 | - | expression tag |
Gly 13 | - | expression tag |
Ala 14 | - | expression tag |
Met 15 | - | expression tag |
Asp 16 | - | expression tag |
Ile 17 | - | expression tag |
Gly 18 | - | expression tag |
Ile 19 | - | expression tag |
Asn 20 | - | expression tag |
Ser 21 | - | expression tag |
Asp 22 | - | expression tag |
Pro 23 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 78401.2 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 370.3 | |
All* | Total formula weight | 78771.4 |