2XK5
Crystal structure of K6-linked diubiquitin
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ZN A 1074 |
| Chain | Residue |
| A | MET1 |
| A | GLU16 |
| A | ASP32 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ZN A 1075 |
| Chain | Residue |
| A | GLU18 |
| A | GLU18 |
| A | ASP21 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN B 1076 |
| Chain | Residue |
| B | LYS29 |
| B | GLU18 |
| B | GLU18 |
| B | ASP21 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ZN A 1076 |
| Chain | Residue |
| A | GLU64 |
| A | HIS68 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ZN B 1077 |
| Chain | Residue |
| B | MET1 |
| B | GLU16 |
| B | ASP32 |
| site_id | AC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ZN A 1077 |
| Chain | Residue |
| A | LYS27 |
| A | ASP52 |
| site_id | AC7 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE ZN B 1078 |
| Chain | Residue |
| B | ASP58 |
Functional Information from PROSITE/UniProt
| site_id | PS00299 |
| Number of Residues | 26 |
| Details | UBIQUITIN_1 Ubiquitin domain signature. KakIqDkegIPpqqQrLIFaGkqleD |
| Chain | Residue | Details |
| B | LYS27-ASP52 | |
| A | LYS27-ASP52 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | SITE: Interacts with activating enzyme |
| Chain | Residue | Details |
| B | ARG54 | |
| B | ARG72 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | SITE: Essential for function |
| Chain | Residue | Details |
| B | HIS68 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | MOD_RES: Phosphoserine; by PINK1 => ECO:0000269|PubMed:24660806, ECO:0000269|PubMed:24751536, ECO:0000269|PubMed:24784582, ECO:0000269|PubMed:25527291 |
| Chain | Residue | Details |
| B | SER65 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | MOD_RES: (Microbial infection) ADP-ribosylthreonine => ECO:0000269|PubMed:32330457 |
| Chain | Residue | Details |
| B | THR66 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 1 |
| Details | MOD_RES: ADP-ribosylglycine => ECO:0000269|PubMed:28525742 |
| Chain | Residue | Details |
| B | GLY76 |
| site_id | SWS_FT_FI6 |
| Number of Residues | 1 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16443603 |
| Chain | Residue | Details |
| B | LYS6 |
| site_id | SWS_FT_FI7 |
| Number of Residues | 2 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Gly-Lys) (interchain with K-? in acceptor proteins) |
| Chain | Residue | Details |
| B | GLY76 |
| site_id | SWS_FT_FI8 |
| Number of Residues | 2 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16443603, ECO:0000269|PubMed:16543144 |
| Chain | Residue | Details |
| B | LYS11 | |
| B | LYS48 |
| site_id | SWS_FT_FI9 |
| Number of Residues | 1 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000305|PubMed:15466860 |
| Chain | Residue | Details |
| B | LYS27 |
| site_id | SWS_FT_FI10 |
| Number of Residues | 1 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16543144, ECO:0000269|PubMed:25752573, ECO:0000269|PubMed:25752577, ECO:0000269|PubMed:34239127 |
| Chain | Residue | Details |
| B | LYS29 |
| site_id | SWS_FT_FI11 |
| Number of Residues | 1 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:25752577 |
| Chain | Residue | Details |
| B | LYS33 |
| site_id | SWS_FT_FI12 |
| Number of Residues | 1 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16543144, ECO:0000269|PubMed:18719106 |
| Chain | Residue | Details |
| B | LYS63 |
