SAXSdb — 4rwg

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

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion 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 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 water × 2	Consistent with protein count
2	Insufficient information	Heteromer	Protein 2 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 MAGNESIUM ION × 1 water × 2	Consistent with protein count
3	Insufficient information	Heteromer	Protein 2 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RAMP1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 375–459； UniProt 24–108 Author chain B； PDBConstruct 375–459； UniProt 24–108 Author chain C； PDBConstruct 375–459； UniProt 24–108

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion protein ;

Homo sapiens

UniProt P0AEX9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 2 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 water × 2	Consistent with protein count
2	Insufficient information	Heteromer	Protein 2 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 MAGNESIUM ION × 1 water × 2	Consistent with protein count
3	Insufficient information	Heteromer	Protein 2 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MALE_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–374； UniProt 26–398 Author chain B； PDBConstruct 2–374； UniProt 26–398 Author chain C； PDBConstruct 2–374； UniProt 26–398

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion protein ;

Homo sapiens

UniProt Q16602

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 2 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 water × 2	Consistent with protein count
2	Insufficient information	Heteromer	Protein 2 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 MAGNESIUM ION × 1 water × 2	Consistent with protein count
3	Insufficient information	Heteromer	Protein 2 其他Polymer 1	CGRP analog × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CALRL_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 474–557； UniProt 31–114 Author chain B； PDBConstruct 474–557； UniProt 31–114 Author chain C； PDBConstruct 474–557； UniProt 31–114

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	4rwg
Deposition date deposition_date	2014-12-03
Structure title title	Crystal structure of the CLR:RAMP1 extracellular domain heterodimer with bound high affinity CGRP analog
Keywords keywords	cell surface receptor, MEMBRANE PROTEIN-HORMONE complex; MEMBRANE PROTEIN/HORMONE
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.

4rwg__assembly_1__model_1

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

Download this curve (.dat)

4rwg__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4rwg__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.55 Å
Rg (electron density)	26.74 Å
Total Rg	27.62 Å
Atom count	4504
Residues	568
Excluded volume	79947 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4rwg__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4rwg__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`4rwg__assembly_3__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 (5)

Entity 1 Entity 1 polymer

Description description	;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion protein ;
Molecular weight formula_weight	66304.6 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	13593

MAKIEEGKLVIWINGDKGYNGLAEVGKKFEKDTGIKVTVEHPDKLEEKFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAEITPDKAFQDKLYPFTWDAVRYNGKLIAYPIAVEALSLIYNKDLLPNPPKTWEEIPALDKELKAKGKSALMFNLQEPYFTWPLIAADGGYAFKYENGKYDIKDVGVDNAGAKAGLTFLVDLIKNKHMNADTDYSIAEAAFNKGETAMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPSKPFVGVLSAGINAASPNKELAKEFLENYLLTDEGLEAVNKDKPLGAVALKSYEEELAKDPRIAATMENAQKGEIMPNIPQMSAFWYAVRTAVINAASGRQTVDEALKDAQTNAAAEFTTACQEANYGALLRELCLTQFQVDMEAVGETLWCDWGRTIRSYRELADCTWHMAEKLGCFWPNAEVDRFFLAVHGRYFRSCPISGRAVGSAGSAGSAEDSIQLGVTRNKIMTAQYECYQKIMQDPIQQAEGVYCNRTWDGWLCWNDVAAGTESMQLCPDYFQDFDPSEKVTKICDQDGNWFRHPASNRTWTNYTQCNVNTHEKVKTALNLFYLHHHHHH

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	CGRP analog
Molecular weight formula_weight	1194.4 kDa
Source method src_method	syn
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D,E,F

FVPTDVGPFAFX

Entity 3 Entity 3 branched

Description description	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose
Molecular weight formula_weight	342.3 kDa
Source method src_method	man
Copy count entity_count	3

Entity 4 Entity 4 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	70

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	4rwgB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily	10 — Periplasmic binding protein-like II

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Unit-cell length a length_a	172.806 Å
Unit-cell length b length_b	104.623 Å
Unit-cell length c length_c	136.483 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	122.43 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.440 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.2019
R_work r_work	0.1998
R_free r_free	0.2426

Crystal structure of the CLR:RAMP1 extracellular domain heterodimer with bound high affinity CGRP analog

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

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion protein ;

State in the Current Structure

Other States of the Same Protein in the Database

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion protein ;

State in the Current Structure

Other States of the Same Protein in the Database

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion protein ;

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

4rwg__assembly_1__model_1

4rwg__assembly_1__model_1 | I(q)

4rwg__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)

Crystal structure of the CLR:RAMP1 extracellular domain heterodimer with bound high affinity CGRP analog

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

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion 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

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion 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

;Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion 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

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

4rwg__assembly_1__model_1

4rwg__assembly_1__model_1 | I(q)

4rwg__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)