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5IBK

Skp1-F-box in complex with a ubiquitin variant

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, E
(A, D)
S-phase kinase-associated protein 1,S-phase kinase-associated protein 1polymer15116981.32UniProt (P63208)
Pfam (PF03931)
Pfam (PF01466)
Homo sapiens (Human)Cyclin-A/CDK2-associated protein p19,p19A,Organ of Corti protein 2,OCP-2,Organ of Corti protein II,OCP-II,RNA polymerase II elongation factor-like protein,SIII,Transcription elongation factor B polypeptide 1-like,p19skp1
2B, F
(B, E)
F-box/WD repeat-containing protein 7polymer637513.82UniProt (Q969H0)
Pfam (PF12937)
Homo sapiens (Human)Archipelago homolog,hAgo,F-box and WD-40 domain-containing protein 7,F-box protein FBX30,SEL-10,hCdc4
3C, D
(F, C)
Polyubiquitin-Bpolymer788811.12UniProt (P0CG47)
Pfam (PF00240)
Homo sapiens (Human)
4G, H, I, J, K
(A, B, F, C, D)
waterwater18.038Chemie (HOH)
Sequence modifications
A, D: 1 - 69 (UniProt: P63208)
PDBExternal DatabaseDetails
Gly -1-expression tag
Ala 0-expression tag
-Asp 38deletion
-Glu 39deletion
-Gly 40deletion
-Asp 41deletion
-Asp 42deletion
-Asp 43deletion
A, D: 82 - 163 (UniProt: P63208)
PDBExternal DatabaseDetails
Gly 70-linker
Gly 79-linker
Ser 80-linker
Gly 81-linker
B, E: 263 - 323 (UniProt: Q969H0)
PDBExternal DatabaseDetails
Gly 261-expression tag
Ala 262-expression tag
F, C: -1 - 74 (UniProt: P0CG47)
PDBExternal DatabaseDetails
Gly -3-expression tag
Ser -2-expression tag
Ser 0Gly 76engineered mutation
Gly 8Leu 84engineered mutation
Ala 9Thr 85engineered mutation
Arg 10Gly 86engineered mutation
Thr 11Lys 87engineered mutation
Ala 12Thr 88engineered mutation
Ile 42Arg 118engineered mutation
Ser 46Ala 122engineered mutation
Arg 47Gly 123engineered mutation
Leu 49Gln 125engineered mutation
His 62Gln 138engineered mutation
Arg 63Lys 139engineered mutation
Arg 68His 144engineered mutation
Ile 72Arg 148engineered mutation
Phe 73Leu 149engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight66612.3
All*Total formula weight66612.3
*Water molecules are not included.

239149

PDB entries from 2025-07-23

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