SAXSdb — 3fyy

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

Muconate cycloisomerase

Oceanobacillus iheyensis HTE831

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	MAGNESIUM ION × 4 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 8	MAGNESIUM ION × 16 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8EMJ9_OCEIH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–391； UniProt 1–391 Author chain B； PDBConstruct 1–391； UniProt 1–391

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	3fyy
Deposition date deposition_date	2009-01-23
Structure title title	Crystal structure of divergent enolase from Oceanobacillus iheyensis complexed with Mg
Keywords keywords	;divergent enolase, NYSGXRC, target 9375a, Isomerase, Structural Genomics, PSI-2, Protein Structure Initiative, New York SGX Research Center for Structural Genomics ;; ISOMERASE
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.

3fyy__assembly_1__model_1

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

Download this curve (.dat)

3fyy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3fyy__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.46 Å
Rg (electron density)	27.40 Å
Total Rg	28.24 Å
Atom count	6006
Residues	750
Excluded volume	107240 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3fyy__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3fyy__assembly_2__model_1`	octameric （8）	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	Muconate cycloisomerase
Molecular weight formula_weight	44403.4 kDa
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	6584

MKITDLELHAVGIPRHTGFVNKHVIVKIHTDEGLTGIGEMSDFSHLPLYSVDLHDLKQGLLSILLGQNPFDLMKINKELTDNFPETMYYYEKGSFIRNGIDNALHDLCAKYLDISVSDFLGGRVKEKIKVCYPIFRHRFSEEVESNLDVVRQKLEQGFDVFRLYVGKNLDADEEFLSRVKEEFGSRVRIKSYDFSHLLNWKDAHRAIKRLTKYDLGLEMIESPAPRNDFDGLYQLRLKTDYPISEHVWSFKQQQEMIKKDAIDIFNISPVFIGGLTSAKKAAYAAEVASKDVVLGTTQELSVGTAAMAHLGCSLTNINHTSDPTGPELYVGDVVKNRVTYKDGYLYAPDRSVKGLGIELDESLLAKYQVPDLSWDNVTVHQLQDRTADTKS

Source Source

Source organism organism	Oceanobacillus iheyensis HTE831
NCBI taxonomy ID ncbi_taxonomy_id	221109
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	578

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d3fyya1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.54 — Enolase N-terminal domain-like
Superfamily Superfamily superfamily	d.54.1 — Enolase N-terminal domain-like
Family Family family	d.54.1.0 — automated matches

Domain ID domain_id	d3fyya2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.11 — Enolase C-terminal domain-like
Family Family family	c.1.11.0 — automated matches

Domain ID domain_id	d3fyyb1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.54 — Enolase N-terminal domain-like
Superfamily Superfamily superfamily	d.54.1 — Enolase N-terminal domain-like
Family Family family	d.54.1.0 — automated matches

Domain ID domain_id	d3fyyb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.11 — Enolase C-terminal domain-like
Family Family family	c.1.11.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	3fyyA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	390 — Enolase-like; domain 1
Homologous superfamily homologous superfamily	10 — Enolase-like, N-terminal domain

Domain ID domain_id	3fyyA02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	120 — Enolase-like C-terminal domain

Domain ID domain_id	3fyyB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	390 — Enolase-like; domain 1
Homologous superfamily homologous superfamily	10 — Enolase-like, N-terminal domain

Domain ID domain_id	3fyyB02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	120 — Enolase-like C-terminal domain

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Unit-cell length a length_a	121.162 Å
Unit-cell length b length_b	121.162 Å
Unit-cell length c length_c	120.876 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	1.800 Å
Low-resolution limit resolution_low	24.720 Å
R factor r_factor	0.2100
R_work r_work	0.2080
R_free r_free	0.2340

Crystal structure of divergent enolase from Oceanobacillus iheyensis complexed with Mg

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

Muconate cycloisomerase

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

3fyy__assembly_1__model_1

3fyy__assembly_1__model_1 | I(q)

3fyy__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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of divergent enolase from Oceanobacillus iheyensis complexed with Mg

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

Muconate cycloisomerase

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

3fyy__assembly_1__model_1

3fyy__assembly_1__model_1 | I(q)

3fyy__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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)