3DVG
Crystal structure of K63-specific fab Apu.3A8 bound to K63-linked di-ubiquitin
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0002250 | biological_process | adaptive immune response |
| A | 0002376 | biological_process | immune system process |
| A | 0003823 | molecular_function | antigen binding |
| A | 0005576 | cellular_component | extracellular region |
| A | 0005615 | cellular_component | extracellular space |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0006955 | biological_process | immune response |
| A | 0016064 | biological_process | immunoglobulin mediated immune response |
| A | 0019814 | cellular_component | immunoglobulin complex |
| A | 0050853 | biological_process | B cell receptor signaling pathway |
| A | 0070062 | cellular_component | extracellular exosome |
| A | 0071735 | cellular_component | IgG immunoglobulin complex |
| A | 0071738 | cellular_component | IgD immunoglobulin complex |
| A | 0071742 | cellular_component | IgE immunoglobulin complex |
| A | 0071745 | cellular_component | IgA immunoglobulin complex |
| A | 0071753 | cellular_component | IgM immunoglobulin complex |
| A | 0072562 | cellular_component | blood microparticle |
Functional Information from PROSITE/UniProt
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YACEVTH |
| Chain | Residue | Details |
| A | TYR194-HIS200 | |
| B | TYR201-HIS207 |
| site_id | PS00299 |
| Number of Residues | 26 |
| Details | UBIQUITIN_1 Ubiquitin domain signature. KakIqDkegIPpdqQrLIFaGkqleD |
| Chain | Residue | Details |
| X | LYS27-ASP52 | |
| Y | LYS27-ASP52 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI2 |
| Number of Residues | 4 |
| Details | Site: {"description":"Interacts with activating enzyme"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | Site: {"description":"Essential for function"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Phosphoserine; by PINK1","evidences":[{"source":"PubMed","id":"24660806","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24751536","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24784582","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25527291","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"(Microbial infection) ADP-ribosylthreonine","evidences":[{"source":"PubMed","id":"32330457","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 2 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"16443603","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 3 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"16543144","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18719106","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 4 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"16443603","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16543144","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 2 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"15466860","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 2 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"16543144","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25752573","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25752577","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"34239127","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 2 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"25752577","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 75 |
| Details | Domain: {"description":"Ubiquitin-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI13 |
| Number of Residues | 1 |
| Details | Modified residue: {"description":"ADP-ribosylglycine","evidences":[{"source":"PubMed","id":"28525742","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI14 |
| Number of Residues | 2 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Gly-Lys) (interchain with K-? in acceptor proteins)"} |
| Chain | Residue | Details |






