SAXSdb — 2m0m

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

Minor ampullate fibroin 1

Nephila antipodiana

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q2LC34_9ARAC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–107； UniProt 250–356 Author chain B； PDBConstruct 1–107； UniProt 250–356

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	2m0m
Deposition date deposition_date	2012-10-30
Structure title title	Structural Characterization of Minor Ampullate Spidroin Domains and their Distinct Roles in Fibroin Solubility and Fiber Formation
Keywords keywords	Spider silk protein, MiSp1, CTD, Dimer, PROTEIN FIBRIL; PROTEIN FIBRIL
Experimental Method method	SOLUTION NMR

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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.

2m0m__assembly_1__model_3

Assembly 1 · Model 3 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2m0m__assembly_1__model_3 | I(q)

100 plotted points; both axes use logarithmic scales.

2m0m__assembly_1__model_3 | P(r) · Pending

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

Rg（Guinier）	17.08 Å
Rg (electron density)	15.37 Å
Total Rg	16.40 Å
Atom count	2962
Residues	214
Excluded volume	26202 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2m0m__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`2m0m__assembly_1__model_2`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`2m0m__assembly_1__model_3`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`2m0m__assembly_1__model_4`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`2m0m__assembly_1__model_5`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`2m0m__assembly_1__model_6`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`2m0m__assembly_1__model_7`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`2m0m__assembly_1__model_8`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`2m0m__assembly_1__model_9`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`2m0m__assembly_1__model_10`	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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	2m0mA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily	1350 — Spidroin domain, C-terminal domain

Domain ID domain_id	2m0mB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily	1350 — Spidroin domain, C-terminal domain

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Description description	Minor ampullate fibroin 1
Molecular weight formula_weight	10505.7 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	29620

Source organism organism	Nephila antipodiana
NCBI taxonomy ID ncbi_taxonomy_id	171624
Host organism host_organism	Escherichia coli

Structural Characterization of Minor Ampullate Spidroin Domains and their Distinct Roles in Fibroin Solubility and Fiber Formation

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

Minor ampullate fibroin 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

2m0m__assembly_1__model_3

2m0m__assembly_1__model_3 | I(q)

2m0m__assembly_1__model_3 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Structural Characterization of Minor Ampullate Spidroin Domains and their Distinct Roles in Fibroin Solubility and Fiber Formation

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

Minor ampullate fibroin 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

2m0m__assembly_1__model_3

2m0m__assembly_1__model_3 | I(q)

2m0m__assembly_1__model_3 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)