SAXSdb — 4up0

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1. Protein Identity and Related Structures Protein Identity & Related Structures

PYGOPUS HOMOLOG 2, B-CELL CLL/LYMPHOMA 9-LIKE PROTEIN

HOMO SAPIENS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 2	HISTONE H3.1 × 1 （P68431） ZINC ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BCL9L_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 71–99； UniProt 235–263

PYGOPUS HOMOLOG 2, B-CELL CLL/LYMPHOMA 9-LIKE PROTEIN

HOMO SAPIENS

UniProt Q9BRQ0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 2	HISTONE H3.1 × 1 （P68431） ZINC ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PYGO2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–62； UniProt 327–387

HISTONE H3.1

OrganismNot specified

UniProt P68431

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 2	PYGOPUS HOMOLOG 2, B-CELL CLL/LYMPHOMA 9-LIKE PROTEIN × 1 （Q86UU0,Q9BRQ0） ZINC ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	H31_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain F； PDBConstruct 1–15； UniProt 2–16

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_id	4up0
Deposition date deposition_date	2014-06-11
Structure title title	Ternary crystal structure of the Pygo2 PHD finger in complex with the B9L HD1 domain and a H3K4me2 peptide
Keywords keywords	TRANSCRIPTION, WNT SIGNALLING, PHD FINGER, BCL9L, HD1 DOMAIN; TRANSCRIPTION
Experimental Method method	X-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.

4up0__assembly_1__model_1

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

Download this curve (.dat)

4up0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4up0__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	13.72 Å
Rg (electron density)	12.58 Å
Total Rg	13.69 Å
Atom count	694
Residues	90
Excluded volume	12204 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4up0__assembly_1__model_1`	dimeric （2）	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 (4)

Entity 1 Entity 1 polymer

Description description	PYGOPUS HOMOLOG 2, B-CELL CLL/LYMPHOMA 9-LIKE PROTEIN
Molecular weight formula_weight	10537.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	788

GVYPCGACRSEVNDDQDAILCEASCQKWFHRECTGMTESAYGLLTTEASAVWACDLCLKTKEGSGSGSGSVYVFTTHLANTAAEAVLQGRADSILAYHQ

Source Source

Source organism organism	HOMO SAPIENS
Common name common_name	HUMAN
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	HISTONE H3.1
Molecular weight formula_weight	1633.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

ARTKQTARKSTGGKA

Entity 3 Entity 3 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	94

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	4up0A00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	40 — Herpes Virus-1
Homologous superfamily homologous superfamily	10 — Zinc/RING finger domain, C3HC4 (zinc finger)

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Unit-cell length a length_a	53.910 Å
Unit-cell length b length_b	53.910 Å
Unit-cell length c length_c	57.940 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	1.280 Å
Low-resolution limit resolution_low	39.470 Å
R factor r_factor	0.1395
R_work r_work	0.1380
R_free r_free	0.1661

Ternary crystal structure of the Pygo2 PHD finger in complex with the B9L HD1 domain and a H3K4me2 peptide

1. Protein Identity and Related Structures Protein Identity & Related Structures

PYGOPUS HOMOLOG 2, B-CELL CLL/LYMPHOMA 9-LIKE PROTEIN

State in the Current Structure

Other States of the Same Protein in the Database

PYGOPUS HOMOLOG 2, B-CELL CLL/LYMPHOMA 9-LIKE PROTEIN

State in the Current Structure

Other States of the Same Protein in the Database

HISTONE H3.1

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

4up0__assembly_1__model_1

4up0__assembly_1__model_1 | I(q)

4up0__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)

Ternary crystal structure of the Pygo2 PHD finger in complex with the B9L HD1 domain and a H3K4me2 peptide

1. Protein Identity and Related Structures Protein Identity & Related Structures

PYGOPUS HOMOLOG 2, B-CELL CLL/LYMPHOMA 9-LIKE PROTEIN

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PYGOPUS HOMOLOG 2, B-CELL CLL/LYMPHOMA 9-LIKE PROTEIN

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

HISTONE H3.1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

4up0__assembly_1__model_1

4up0__assembly_1__model_1 | I(q)

4up0__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)