5IIG
Structure of the SPX-TTM domain fragment of the yeast inorganic polyphophate polymerase Vtc4 (form A).
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 A 501 |
| Chain | Residue |
| A | TYR241 |
| A | ARG264 |
| A | LYS281 |
| A | SER457 |
| A | LYS458 |
| A | PHE459 |
| A | SO4502 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 A 502 |
| Chain | Residue |
| A | ARG266 |
| A | TYR359 |
| A | ARG361 |
| A | LYS458 |
| A | SO4501 |
| A | ASN91 |
| A | ARG264 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 A 503 |
| Chain | Residue |
| A | THR41 |
| A | GLN42 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 A 504 |
| Chain | Residue |
| A | ASN91 |
| A | LYS200 |
| A | LYS281 |
| A | SER292 |
| A | LYS294 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: ACT_SITE => ECO:0000305|PubMed:19390046 |
| Chain | Residue | Details |
| A | LYS458 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 8 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:19390046 |
| Chain | Residue | Details |
| A | LYS200 | |
| A | ARG264 | |
| A | ARG266 | |
| A | LYS281 | |
| A | LYS294 | |
| A | TYR359 | |
| A | ARG361 | |
| A | ASN426 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | SITE: Important for inositol polyphosphate binding => ECO:0000250|UniProtKB:P43585 |
| Chain | Residue | Details |
| A | TYR22 | |
| A | LYS26 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 2 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0007744|PubMed:22106047 |
| Chain | Residue | Details |
| A | LYS75 |
