6NYA
Crystal Structure of ubiquitin E1 (Uba1) in complex with Ubc3 (Cdc34) and ubiquitin
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000166 | molecular_function | nucleotide binding |
| A | 0004839 | molecular_function | ubiquitin activating enzyme activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005524 | molecular_function | ATP binding |
| A | 0005634 | cellular_component | nucleus |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0006511 | biological_process | ubiquitin-dependent protein catabolic process |
| A | 0006974 | biological_process | DNA damage response |
| A | 0008641 | molecular_function | ubiquitin-like modifier activating enzyme activity |
| A | 0016567 | biological_process | protein ubiquitination |
| A | 0016874 | molecular_function | ligase activity |
| A | 0036211 | biological_process | protein modification process |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0003729 | molecular_function | mRNA binding |
| B | 0005634 | cellular_component | nucleus |
| B | 0005737 | cellular_component | cytoplasm |
| D | 0000166 | molecular_function | nucleotide binding |
| D | 0004839 | molecular_function | ubiquitin activating enzyme activity |
| D | 0005515 | molecular_function | protein binding |
| D | 0005524 | molecular_function | ATP binding |
| D | 0005634 | cellular_component | nucleus |
| D | 0005737 | cellular_component | cytoplasm |
| D | 0006511 | biological_process | ubiquitin-dependent protein catabolic process |
| D | 0006974 | biological_process | DNA damage response |
| D | 0008641 | molecular_function | ubiquitin-like modifier activating enzyme activity |
| D | 0016567 | biological_process | protein ubiquitination |
| D | 0016874 | molecular_function | ligase activity |
| D | 0036211 | biological_process | protein modification process |
| D | 0046872 | molecular_function | metal ion binding |
| E | 0003729 | molecular_function | mRNA binding |
| E | 0005634 | cellular_component | nucleus |
| E | 0005737 | cellular_component | cytoplasm |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 29 |
| Details | binding site for residue ATP A 1101 |
| Chain | Residue |
| A | ARG21 |
| A | LYS519 |
| A | VAL520 |
| A | ALA542 |
| A | LEU543 |
| A | ASP544 |
| A | ASN545 |
| A | ALA548 |
| A | MG1102 |
| A | HOH1268 |
| A | HOH1271 |
| A | GLY443 |
| A | HOH1275 |
| A | HOH1299 |
| A | HOH1372 |
| A | HOH1381 |
| A | HOH1398 |
| A | HOH1407 |
| A | HOH1467 |
| A | HOH1473 |
| A | HOH1544 |
| B | GLY76 |
| A | ALA444 |
| A | ASP470 |
| A | ASP472 |
| A | ASN478 |
| A | ARG481 |
| A | GLN482 |
| A | LYS494 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue MG A 1102 |
| Chain | Residue |
| A | ASP544 |
| A | ATP1101 |
| A | HOH1381 |
| A | HOH1467 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 1103 |
| Chain | Residue |
| A | GLU217 |
| A | GLY218 |
| A | LEU219 |
| A | ASP220 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 1104 |
| Chain | Residue |
| A | ASN38 |
| A | SER62 |
| A | GLN122 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 1106 |
| Chain | Residue |
| A | ARG554 |
| A | ILE1002 |
| A | PHE1019 |
| A | HOH1338 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 1107 |
| Chain | Residue |
| A | TYR465 |
| A | VAL467 |
| A | ASN514 |
| site_id | AC7 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 1108 |
| Chain | Residue |
| A | ASP851 |
| A | ARG852 |
| A | GLN853 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 A 1109 |
| Chain | Residue |
| A | GLY27 |
| A | LYS28 |
| A | GLU29 |
| A | HOH1291 |
| A | HOH1458 |
| site_id | AC9 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 A 1110 |
| Chain | Residue |
| A | ARG288 |
| A | ASN344 |
| site_id | AD1 |
| Number of Residues | 4 |
| Details | binding site for residue EDO A 1111 |
| Chain | Residue |
| A | ASN545 |
| A | VAL546 |
| A | ASP547 |
| B | ARG74 |
| site_id | AD2 |
| Number of Residues | 3 |
| Details | binding site for residue EDO A 1112 |
| Chain | Residue |
| A | ARG96 |
| A | ALA97 |
| A | HOH1379 |
| site_id | AD3 |
| Number of Residues | 8 |
| Details | binding site for residue EDO A 1113 |
| Chain | Residue |
| A | ASP282 |
| A | LYS285 |
| A | ASP392 |
| A | GLU395 |
| A | LYS895 |
| A | PHE908 |
| A | HOH1321 |
| A | HOH1351 |
| site_id | AD4 |
| Number of Residues | 5 |
| Details | binding site for residue EDO A 1114 |
| Chain | Residue |
| A | ILE254 |
| A | ASN607 |
| A | PHE846 |
| A | ILE847 |
| A | GLU848 |
| site_id | AD5 |
| Number of Residues | 7 |
| Details | binding site for residue EDO A 1115 |
| Chain | Residue |
| A | SER146 |
| A | SER147 |
| A | GLY148 |
| A | HOH1262 |
| D | THR849 |
| D | ALA850 |
| D | ASP851 |
| site_id | AD6 |
| Number of Residues | 6 |
| Details | binding site for residue EDO A 1116 |
| Chain | Residue |
| A | GLU534 |
| A | PHE558 |
| A | TYR559 |
| A | HIS1023 |
| A | HOH1296 |
| A | HOH1508 |
| site_id | AD7 |
| Number of Residues | 3 |
| Details | binding site for residue EDO A 1117 |
| Chain | Residue |
| A | GLU155 |
| A | PHE296 |
| A | HIS300 |
| site_id | AD8 |
| Number of Residues | 6 |
| Details | binding site for residue EDO A 1118 |
| Chain | Residue |
| A | GLU13 |
| A | ILE14 |
| A | ASP15 |
| A | TYR19 |
| A | GLN35 |
| A | TYR105 |
| site_id | AD9 |
| Number of Residues | 3 |
| Details | binding site for residue EDO A 1119 |
| Chain | Residue |
| A | TYR919 |
| A | ARG930 |
| A | HOH1547 |
| site_id | AE1 |
| Number of Residues | 4 |
| Details | binding site for residue EDO A 1120 |
| Chain | Residue |
| A | PHE821 |
| A | GLU822 |
| A | LYS823 |
| A | GLY860 |
| site_id | AE2 |
| Number of Residues | 3 |
| Details | binding site for residue EDO A 1121 |
| Chain | Residue |
| A | ASN434 |
| A | GLY461 |
| A | SER462 |
| site_id | AE3 |
| Number of Residues | 4 |
| Details | binding site for residue EDO C 201 |
| Chain | Residue |
| C | GLN76 |
| C | PHE77 |
| C | ARG93 |
| C | LEU94 |
| site_id | AE4 |
| Number of Residues | 4 |
| Details | binding site for residue MG D 1201 |
| Chain | Residue |
| D | ASP544 |
| D | ATP1202 |
| D | HOH1437 |
| D | HOH1504 |
| site_id | AE5 |
| Number of Residues | 29 |
| Details | binding site for residue ATP D 1202 |
| Chain | Residue |
| D | ARG21 |
| D | GLY443 |
| D | ALA444 |
| D | ASP470 |
| D | ASP472 |
| D | ASN478 |
| D | ARG481 |
| D | GLN482 |
| D | LYS494 |
| D | LYS519 |
| D | VAL520 |
| D | ALA542 |
| D | LEU543 |
| D | ASP544 |
| D | ASN545 |
| D | ALA548 |
| D | MG1201 |
| D | HOH1333 |
| D | HOH1341 |
| D | HOH1366 |
| D | HOH1368 |
| D | HOH1381 |
| D | HOH1390 |
| D | HOH1437 |
| D | HOH1456 |
| D | HOH1465 |
| D | HOH1504 |
| D | HOH1507 |
| E | GLY76 |
| site_id | AE6 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 D 1203 |
| Chain | Residue |
| D | LEU114 |
| D | VAL117 |
| site_id | AE7 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 D 1204 |
| Chain | Residue |
| D | VAL557 |
| D | PHE558 |
| D | ARG560 |
| D | TRP928 |
| D | ASP929 |
| D | ARG930 |
| D | PHE1019 |
| site_id | AE8 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 D 1205 |
| Chain | Residue |
| D | GLY27 |
| D | LYS28 |
| D | GLU29 |
| D | EDO1211 |
| D | HOH1306 |
| D | HOH1511 |
| site_id | AE9 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 D 1206 |
| Chain | Residue |
| D | GLU217 |
| D | GLY218 |
| D | LEU219 |
| D | ASP220 |
| D | HOH1578 |
| site_id | AF1 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 D 1207 |
| Chain | Residue |
| D | ARG288 |
| D | ASN344 |
| site_id | AF2 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 D 1208 |
| Chain | Residue |
| D | ASP851 |
| D | ARG852 |
| D | GLN853 |
| site_id | AF3 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 D 1209 |
| Chain | Residue |
| D | ARG305 |
| D | LYS324 |
| site_id | AF4 |
| Number of Residues | 4 |
| Details | binding site for residue EDO D 1210 |
| Chain | Residue |
| D | ASN545 |
| D | VAL546 |
| D | ASP547 |
| E | ARG74 |
| site_id | AF5 |
| Number of Residues | 6 |
| Details | binding site for residue EDO D 1211 |
| Chain | Residue |
| D | TYR24 |
| D | VAL25 |
| D | GLY27 |
| D | GLY178 |
| D | LYS381 |
| D | SO41205 |
| site_id | AF6 |
| Number of Residues | 4 |
| Details | binding site for residue EDO D 1212 |
| Chain | Residue |
| D | ILE14 |
| D | ASP15 |
| D | GLU16 |
| D | SER17 |
| site_id | AF7 |
| Number of Residues | 5 |
| Details | binding site for residue EDO D 1213 |
| Chain | Residue |
| D | GLU13 |
| D | ILE14 |
| D | ASP15 |
| D | TYR19 |
| D | GLN35 |
| site_id | AF8 |
| Number of Residues | 3 |
| Details | binding site for residue EDO D 1214 |
| Chain | Residue |
| D | ARG554 |
| D | VAL557 |
| D | PHE1019 |
| site_id | AF9 |
| Number of Residues | 6 |
| Details | binding site for residue EDO D 1215 |
| Chain | Residue |
| D | ASN38 |
| D | SER62 |
| D | ASN109 |
| D | GLN122 |
| D | PHE123 |
| D | HOH1537 |
| site_id | AG1 |
| Number of Residues | 2 |
| Details | binding site for residue EDO D 1216 |
| Chain | Residue |
| D | ARG150 |
| D | THR172 |
| site_id | AG2 |
| Number of Residues | 5 |
| Details | binding site for residue EDO D 1217 |
| Chain | Residue |
| D | GLU155 |
| D | PHE296 |
| D | GLN297 |
| D | HIS300 |
| D | HOH1358 |
| site_id | AG3 |
| Number of Residues | 3 |
| Details | binding site for residue EDO D 1218 |
| Chain | Residue |
| D | ARG312 |
| D | GLU317 |
| D | HOH1478 |
Functional Information from PROSITE/UniProt
| site_id | PS00183 |
| Number of Residues | 16 |
| Details | UBC_1 Ubiquitin-conjugating (UBC) active site signature. YHPNVyrd.GrLCIsiL |
| Chain | Residue | Details |
| C | TYR84-LEU99 |
| site_id | PS00536 |
| Number of Residues | 9 |
| Details | UBIQUITIN_ACTIVAT_1 Ubiquitin-activating enzyme signature 1. KACSGKFtP |
| Chain | Residue | Details |
| A | LYS376-PRO384 |
| site_id | PS00865 |
| Number of Residues | 9 |
| Details | UBIQUITIN_ACTIVAT_2 Ubiquitin-activating enzyme active site. PLCTLRsFP |
| Chain | Residue | Details |
| A | PRO598-PRO606 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 274 |
| Details | Repeat: {"description":"1-1"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 308 |
| Details | Repeat: {"description":"1-2"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1104 |
| Details | Region: {"description":"2 approximate repeats"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 2 |
| Details | Active site: {"description":"Glycyl thioester intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU10132","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"24816100","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 14 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"35970836","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7ZH9","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 10 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"35970836","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24816100","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7ZH9","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17287358","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 6 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"22106047","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 150 |
| Details | Domain: {"description":"Ubiquitin-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]} |
| 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":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 4 |
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Gly-Lys) (interchain with K-? in acceptor proteins)","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI13 |
| Number of Residues | 2 |
| Details | Active site: {"description":"Glycyl thioester intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU00388","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10133","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 6 |
| Details | M-CSA 307 |
| Chain | Residue | Details |
| A | ARG21 | electrostatic stabiliser, hydrogen bond donor, steric role |
| A | ARG481 | electrostatic stabiliser, hydrogen bond donor, steric role |
| A | ASP544 | steric role |
| A | CYS600 | activator, covalently attached, hydrogen bond donor, nucleophile, proton donor |
| A | THR601 | hydrogen bond acceptor, hydrogen bond donor, increase acidity, increase nucleophilicity, proton acceptor, proton donor, proton relay |
| A | ARG603 | electrostatic stabiliser, hydrogen bond donor |
| site_id | MCSA2 |
| Number of Residues | 3 |
| Details | M-CSA 939 |
| Chain | Residue | Details |
| A | CYS600 | nucleofuge |
| A | THR601 | modifies pKa |
| A | ARG603 | electrostatic stabiliser |
| site_id | MCSA3 |
| Number of Residues | 6 |
| Details | M-CSA 307 |
| Chain | Residue | Details |
| D | ARG21 | electrostatic stabiliser, hydrogen bond donor, steric role |
| D | ARG481 | electrostatic stabiliser, hydrogen bond donor, steric role |
| D | ASP544 | steric role |
| D | CYS600 | activator, covalently attached, hydrogen bond donor, nucleophile, proton donor |
| D | THR601 | hydrogen bond acceptor, hydrogen bond donor, increase acidity, increase nucleophilicity, proton acceptor, proton donor, proton relay |
| D | ARG603 | electrostatic stabiliser, hydrogen bond donor |
| site_id | MCSA4 |
| Number of Residues | 3 |
| Details | M-CSA 939 |
| Chain | Residue | Details |
| D | CYS600 | nucleofuge |
| D | THR601 | modifies pKa |
| D | ARG603 | electrostatic stabiliser |






