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7lps

Crystal structure of DDB1-CRBN-ALV1 complex bound to Helios (IKZF2 ZF2)

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA damage-binding protein 1

Homo sapiens

UniProt Q16531

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Protein cereblon × 1 （Q96SW2） Zinc finger protein Helios × 1 （Q9UKS7） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 3 Protein cereblon × 1 （Q96SW2） Zinc finger protein Helios × 1 （Q9UKS7） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 3 Protein cereblon × 1 （Q96SW2） Zinc finger protein Helios × 1 （Q9UKS7） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 3 Protein cereblon × 1 （Q96SW2） Zinc finger protein Helios × 1 （Q9UKS7） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3e0c 8zsw 9bbe 9bbg 9bbh 9bbi 9ejq 9zxm 9zxn

9 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
10ay 2hye 3ei1 3ei2 3ei3 3ei4 3ei4 3ei4 3i7h 3i7k 3i7l 3i7n

282 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name DDB1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–1140； UniProt 1–1140 Author chain D； PDBConstruct 1–1140； UniProt 1–1140 Author chain G； PDBConstruct 1–1140； UniProt 1–1140 Author chain J； PDBConstruct 1–1140； UniProt 1–1140

Protein cereblon

Homo sapiens

UniProt Q96SW2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 DNA damage-binding protein 1 × 1 （Q16531） Zinc finger protein Helios × 1 （Q9UKS7） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 3 DNA damage-binding protein 1 × 1 （Q16531） Zinc finger protein Helios × 1 （Q9UKS7） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 3 DNA damage-binding protein 1 × 1 （Q16531） Zinc finger protein Helios × 1 （Q9UKS7） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 3 DNA damage-binding protein 1 × 1 （Q16531） Zinc finger protein Helios × 1 （Q9UKS7） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
8rq1 8rq8 8rqa 9gy3 9gy3 9odr 9odr 9odr 9odr 9ods 9ods 9ods

14 assemblies; showing the first 12

Homodimer
9gao

1 assemblies

Homotetramer

None

Other homooligomers
9cuo 9cuo

2 assemblies

Heteromeric or nucleic-acid complex
10ay 11mr 4m91 4tz4 5fqd 5fqd 5hxb 5hxb 5v3o 6bn7 6bn8 6bn9

125 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name CRBN_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–390； UniProt 47–436 Author chain E； PDBConstruct 1–390； UniProt 47–436 Author chain H； PDBConstruct 1–390； UniProt 47–436 Author chain K； PDBConstruct 1–390； UniProt 47–436

Zinc finger protein Helios

Homo sapiens

UniProt Q9UKS7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 DNA damage-binding protein 1 × 1 （Q16531） Protein cereblon × 1 （Q96SW2） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 3 DNA damage-binding protein 1 × 1 （Q16531） Protein cereblon × 1 （Q96SW2） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 3 DNA damage-binding protein 1 × 1 （Q16531） Protein cereblon × 1 （Q96SW2） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 3 DNA damage-binding protein 1 × 1 （Q16531） Protein cereblon × 1 （Q96SW2） ZINC ION × 2 ;3-[3-[[1-[(3~{S})-2,6-bis(oxidanylidene)piperidin-3-yl]-2,5-bis(oxidanylidene)pyrrol-3-yl]amino]phenyl]-~{N}-(3-chloranyl-4-methyl-phenyl)propanamide ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
7lps 7lps 7lps 7lps 8dey 8dey 9dom 9dom 9dom 9dom 9o91 9o91

23 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name IKZF2_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 1–29； UniProt 136–164 Author chain F； PDBConstruct 1–29； UniProt 136–164 Author chain I； PDBConstruct 1–29； UniProt 136–164 Author chain L； PDBConstruct 1–29； UniProt 136–164

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id7lps
Deposition date deposition_date2021-02-12
Structure title titleCrystal structure of DDB1-CRBN-ALV1 complex bound to Helios (IKZF2 ZF2)
Keywords keywordsCRBN, DDB1, IKZF2, ALV, Degradation, E3 ligase, LIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

7lps__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

7lps__assembly_2__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

7lps__assembly_2__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）34.51 Å
Rg (electron density)33.73 Å
Total Rg34.30 Å
Atom count9393
Residues1190
Excluded volume167700 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7lps__assembly_1__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 7lps__assembly_2__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 7lps__assembly_3__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 7lps__assembly_4__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id7lpsA01
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id7lpsD01
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id7lpsG01
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id7lpsJ01
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
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7. Citations (1)