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6ZQH

Yeast Uba1 in complex with ubiquitin

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004839molecular_functionubiquitin activating enzyme activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0006511biological_processubiquitin-dependent protein catabolic process
A0006974biological_processDNA damage response
A0008641molecular_functionubiquitin-like modifier activating enzyme activity
A0016567biological_processprotein ubiquitination
A0016874molecular_functionligase activity
A0036211biological_processprotein modification process
A0046872molecular_functionmetal ion binding
C0000166molecular_functionnucleotide binding
C0004839molecular_functionubiquitin activating enzyme activity
C0005515molecular_functionprotein binding
C0005524molecular_functionATP binding
C0005634cellular_componentnucleus
C0005737cellular_componentcytoplasm
C0006511biological_processubiquitin-dependent protein catabolic process
C0006974biological_processDNA damage response
C0008641molecular_functionubiquitin-like modifier activating enzyme activity
C0016567biological_processprotein ubiquitination
C0016874molecular_functionligase activity
C0036211biological_processprotein modification process
C0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue BME A 1101
ChainResidue
ATYR465
AGLY511
AASN514
AHOH1229

site_idAC2
Number of Residues2
Detailsbinding site for residue GOL A 1102
ChainResidue
AVAL331
AGLN332

site_idAC3
Number of Residues8
Detailsbinding site for residue GOL A 1103
ChainResidue
AILE863
AHOH1206
AHOH1299
AHOH1451
AHOH1593
AARG21
AARG481
AILE862

site_idAC4
Number of Residues4
Detailsbinding site for residue GOL A 1104
ChainResidue
AASN402
AHOH1219
AHOH1255
CASN307

site_idAC5
Number of Residues4
Detailsbinding site for residue BME B 101
ChainResidue
BGLU51
BARG54
BTYR59
BHOH257

site_idAC6
Number of Residues13
Detailsbinding site for residue PG4 C 1101
ChainResidue
CGLU215
CILE254
CASN607
CLYS608
CILE609
CARG713
CPHE846
CILE847
CGLU848
CTHR849
CALA850
CLYS854
CHOH1322

site_idAC7
Number of Residues5
Detailsbinding site for residue BME C 1102
ChainResidue
CTYR465
CGLY511
CILE513
CASN514
CHOH1201

site_idAC8
Number of Residues9
Detailsbinding site for residue GOL C 1103
ChainResidue
CPHE280
CSER281
CLYS285
CARG288
CALA289
CTYR390
CASP392
CHOH1398
CHOH1607

site_idAC9
Number of Residues4
Detailsbinding site for residue BME D 101
ChainResidue
DGLU51
DARG54
DHOH202
DHOH242

Functional Information from PROSITE/UniProt
site_idPS00299
Number of Residues26
DetailsUBIQUITIN_1 Ubiquitin domain signature. KskIqDkegIPpdqQrLIFaGkqleD
ChainResidueDetails
BLYS27-ASP52

site_idPS00536
Number of Residues9
DetailsUBIQUITIN_ACTIVAT_1 Ubiquitin-activating enzyme signature 1. KACSGKFtP
ChainResidueDetails
ALYS376-PRO384

site_idPS00865
Number of Residues9
DetailsUBIQUITIN_ACTIVAT_2 Ubiquitin-activating enzyme active site. PLCTLRsFP
ChainResidueDetails
APRO598-PRO606

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues274
DetailsRepeat: {"description":"1-1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues308
DetailsRepeat: {"description":"1-2"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1104
DetailsRegion: {"description":"2 approximate repeats"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsActive site: {"description":"Glycyl thioester intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU10132","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"24816100","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"35970836","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7ZH9","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"35970836","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24816100","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7ZH9","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17287358","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues6
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"22106047","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues150
DetailsDomain: {"description":"Ubiquitin-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues14
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"UniProtKB","id":"P62979","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Gly-Lys) (interchain with K-? in acceptor proteins)","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues8
DetailsM-CSA 307
ChainResidueDetails
AARG21electrostatic stabiliser, hydrogen bond donor, steric role
AARG481electrostatic stabiliser, hydrogen bond donor, steric role
AASP544steric role
ACYS600activator, covalently attached, hydrogen bond donor, nucleophile, proton donor
ATHR601hydrogen bond acceptor, hydrogen bond donor, increase acidity, increase nucleophilicity, proton acceptor, proton donor, proton relay
AARG603electrostatic stabiliser, hydrogen bond donor
AASN781electrostatic stabiliser, hydrogen bond donor
AASP782electrostatic stabiliser, hydrogen bond donor

site_idMCSA2
Number of Residues5
DetailsM-CSA 939
ChainResidueDetails
ACYS600nucleofuge
ATHR601modifies pKa
AARG603electrostatic stabiliser
AASN781electrostatic stabiliser
AASP782electrostatic stabiliser

site_idMCSA3
Number of Residues8
DetailsM-CSA 307
ChainResidueDetails
CARG21electrostatic stabiliser, hydrogen bond donor, steric role
CARG481electrostatic stabiliser, hydrogen bond donor, steric role
CASP544steric role
CCYS600activator, covalently attached, hydrogen bond donor, nucleophile, proton donor
CTHR601hydrogen bond acceptor, hydrogen bond donor, increase acidity, increase nucleophilicity, proton acceptor, proton donor, proton relay
CARG603electrostatic stabiliser, hydrogen bond donor
CASN781electrostatic stabiliser, hydrogen bond donor
CASP782electrostatic stabiliser, hydrogen bond donor

site_idMCSA4
Number of Residues5
DetailsM-CSA 939
ChainResidueDetails
CCYS600nucleofuge
CTHR601modifies pKa
CARG603electrostatic stabiliser
CASN781electrostatic stabiliser
CASP782electrostatic stabiliser

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PDB entries from 2026-02-04

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