SAXSdb — 4uu5

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

MAGUK P55 SUBFAMILY MEMBER 5

HOMO SAPIENS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	PROTEIN CRUMBS HOMOLOG 1 × 1 （P82279） CHLORIDE ION × 8 SODIUM ION × 1 2,2,4,4,6,6,8-heptamethylnonane × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MPP5_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–90； UniProt 251–335

PROTEIN CRUMBS HOMOLOG 1

HOMO SAPIENS

UniProt P82279

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	MAGUK P55 SUBFAMILY MEMBER 5 × 1 （Q8N3R9） CHLORIDE ION × 8 SODIUM ION × 1 2,2,4,4,6,6,8-heptamethylnonane × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CRUM1_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–17； UniProt 1390–1406

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	4uu5
Deposition date deposition_date	2014-07-24
Structure title title	CRYSTAL STRUCTURE OF THE PDZ DOMAIN OF PALS1 IN COMPLEX WITH THE CRB PEPTIDE
Keywords keywords	CELL ADHESION; CELL ADHESION
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.

4uu5__assembly_1__model_1

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

Download this curve (.dat)

4uu5__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4uu5__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	15.50 Å
Rg (electron density)	14.70 Å
Total Rg	16.07 Å
Atom count	844
Residues	103
Excluded volume	14810 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4uu5__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 (6)

Entity 1 Entity 1 polymer

Description description	MAGUK P55 SUBFAMILY MEMBER 5
Molecular weight formula_weight	9650.1 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	1092

GPLGSGETVKIVRIEKARDIPLGATVRNEMDSVIISRIVKGGAAEKSGLLHEGDEVLEINGIEIRGKDVNEVFDLLSDMHGTLTFVLIPS

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	PROTEIN CRUMBS HOMOLOG 1
Molecular weight formula_weight	2101.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

RVEMWNLMPPPAMERLI

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 3 Entity 3 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 4 Entity 4 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	2,2,4,4,6,6,8-heptamethylnonane
Molecular weight formula_weight	226.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	120

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d4uu5a1
Class class	b — All beta proteins
Fold Fold fold	b.36 — PDZ domain-like
Superfamily Superfamily superfamily	b.36.1 — PDZ domain-like
Family Family family	b.36.1.0 — automated matches

Domain ID domain_id	d4uu5a2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id	4uu5A00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	42 — Pdz3 Domain
Homologous superfamily homologous superfamily	10 — PDZ domain

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Unit-cell length a length_a	74.730 Å
Unit-cell length b length_b	74.730 Å
Unit-cell length c length_c	42.710 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 2 2
Space-group number int_tables_number	91
Crystal system crystal_system	—

Resolution resolution	1.230 Å
Low-resolution limit resolution_low	52.842 Å
R factor r_factor	0.1688
R_work r_work	0.1680
R_free r_free	0.1832

CRYSTAL STRUCTURE OF THE PDZ DOMAIN OF PALS1 IN COMPLEX WITH THE CRB PEPTIDE

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

MAGUK P55 SUBFAMILY MEMBER 5

State in the Current Structure

Other States of the Same Protein in the Database

PROTEIN CRUMBS HOMOLOG 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

4uu5__assembly_1__model_1

4uu5__assembly_1__model_1 | I(q)

4uu5__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)

CRYSTAL STRUCTURE OF THE PDZ DOMAIN OF PALS1 IN COMPLEX WITH THE CRB PEPTIDE

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

MAGUK P55 SUBFAMILY MEMBER 5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PROTEIN CRUMBS HOMOLOG 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

4uu5__assembly_1__model_1

4uu5__assembly_1__model_1 | I(q)

4uu5__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)