SAXSdb — 1keo

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

cation-dependent mannose-6-phosphate receptor

Bos taurus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	2-acetamido-2-deoxy-beta-D-glucopyranose × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MPRD_BOVIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–154； UniProt 29–182 Author chain B； PDBConstruct 1–154； UniProt 29–182

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	1keo
Deposition date deposition_date	2001-11-16
Structure title title	TWISTS AND TURNS OF THE CD-MPR: LIGAND-BOUND VERSUS LIGAND-FREE RECEPTOR
Keywords keywords	p lectin, receptor, mannose 6-phosphate, SUGAR BINDING PROTEIN; SUGAR BINDING PROTEIN
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.

1keo__assembly_1__model_1

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

Download this curve (.dat)

1keo__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1keo__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.40 Å
Rg (electron density)	19.12 Å
Total Rg	20.06 Å
Atom count	2433
Residues	304
Excluded volume	42775 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1keo__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 (3)

Entity 1 Entity 1 polymer

Description description	cation-dependent mannose-6-phosphate receptor
Molecular weight formula_weight	17443.6 kDa
Mutation mutation	N31Q, N57Q, N68Q, N87Q
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2508

TEEKTCDLVGEKGKESEKELALLKRLTPLFQKSFESTVGQSPDMYSYVFRVCREAGQHSSGAGLVQIQKSNGKETVVGRFNETQIFQGSNWIMLIYKGGDEYDNHCGREQRRAVVMISCNRHTLADNFNPVSEERGKVQDCFYLFEMDSSLACS

Source Source

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913
Host organism host_organism	Trichoplusia ni

Entity 2 Entity 2 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	75

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1keoa_
Class class	b — All beta proteins
Fold Fold fold	b.64 — Mannose 6-phosphate receptor domain
Superfamily Superfamily superfamily	b.64.1 — Mannose 6-phosphate receptor domain
Family Family family	b.64.1.1 — Mannose 6-phosphate receptor domain

Domain ID domain_id	d1keob_
Class class	b — All beta proteins
Fold Fold fold	b.64 — Mannose 6-phosphate receptor domain
Superfamily Superfamily superfamily	b.64.1 — Mannose 6-phosphate receptor domain
Family Family family	b.64.1.1 — Mannose 6-phosphate receptor domain

CATH v4.4 (2 domains)

Domain ID domain_id	1keoA00
Class class	2 — Mainly Beta
Architecture architecture	70 — Distorted Sandwich
Topology topology	130 — Cation-dependent Mannose-6-phosphate Receptor; Chain A
Homologous superfamily homologous superfamily	10 — Mannose-6-phosphate receptor binding domain

Domain ID domain_id	1keoB00
Class class	2 — Mainly Beta
Architecture architecture	70 — Distorted Sandwich
Topology topology	130 — Cation-dependent Mannose-6-phosphate Receptor; Chain A
Homologous superfamily homologous superfamily	10 — Mannose-6-phosphate receptor binding domain

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Unit-cell length a length_a	108.772 Å
Unit-cell length b length_b	108.772 Å
Unit-cell length c length_c	72.670 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	16

Space group space_group	I 4
Space-group number int_tables_number	79
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	—
R_work r_work	0.2150
R_free r_free	0.2483

TWISTS AND TURNS OF THE CD-MPR: LIGAND-BOUND VERSUS LIGAND-FREE RECEPTOR

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

cation-dependent mannose-6-phosphate receptor

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

1keo__assembly_1__model_1

1keo__assembly_1__model_1 | I(q)

1keo__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (3)

TWISTS AND TURNS OF THE CD-MPR: LIGAND-BOUND VERSUS LIGAND-FREE RECEPTOR

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

cation-dependent mannose-6-phosphate receptor

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

1keo__assembly_1__model_1

1keo__assembly_1__model_1 | I(q)

1keo__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (3)