SAXSdb — 5upp

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

Fumarate hydratase, mitochondrial

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FUMH_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–466； UniProt 45–510 Author chain B； PDBConstruct 1–466； UniProt 45–510

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	5upp
Deposition date deposition_date	2017-02-03
Structure title title	Crystal structure of human fumarate hydratase
Keywords keywords	HsFH, fumarase, LYASE; LYASE
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.

5upp__assembly_1__model_1

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

Download this curve (.dat)

5upp__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5upp__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	36.34 Å
Rg (electron density)	35.81 Å
Total Rg	36.21 Å
Atom count	27776
Residues	1848
Excluded volume	247780 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5upp__assembly_1__model_1`	tetrameric （4）	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	Fumarate hydratase, mitochondrial
Molecular weight formula_weight	50139.4 kDa
EC 编号 ec_number	4.2.1.2
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	15032

ASQNSFRIEYDTFGELKVPNDKYYGAQTVRSTMNFKIGGVTERMPTPVIKAFGILKRAAAEVNQDYGLDPKIANAIMKAADEVAEGKLNDHFPLVVWQTGSGTQTNMNVNEVISNRAIEMLGGELGSKIPVHPNDHVNKSQSSNDTFPTAMHIAAAIEVHEVLLPGLQKLHDALDAKSKEFAQIIKIGRTHTQDAVPLTLGQEFSGYVQQVKYAMTRIKAAMPRIYELAAGGTAVGTGLNTRIGFAEKVAAKVAALTGLPFVTAPNKFEALAAHDALVELSGAMNTTACSLMKIANDIRFLGSGPRSGLGELILPENEPGSSIMPGKVNPTQCEAMTMVAAQVMGNHVAVTVGGSNGHFELNVFKPMMIKNVLHSARLLGDASVSFTENCVVGIQANTERINKLMNESLMLVTALNPHIGYDKAAKIAKTAHKNGSTLKETAIELGYLTAEQFDEWVKPKDMLGPK

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 non-polymer

Description description	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
Molecular weight formula_weight	238.3 kDa
Source method src_method	syn
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	863

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d5uppa_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

Domain ID domain_id	d5uppb_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

CATH v4.4 (6 domains)

Domain ID domain_id	5uppA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	5uppA02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	5uppA03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

Domain ID domain_id	5uppB01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	5uppB02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	5uppB03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

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Unit-cell length a length_a	125.434 Å
Unit-cell length b length_b	148.006 Å
Unit-cell length c length_c	129.761 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	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	47.846 Å
R factor r_factor	0.1578
R_work r_work	0.1561
R_free r_free	0.1895

Crystal structure of human fumarate hydratase

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

Fumarate hydratase, mitochondrial

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

5upp__assembly_1__model_1

5upp__assembly_1__model_1 | I(q)

5upp__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 (2 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Crystal structure of human fumarate hydratase

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

Fumarate hydratase, mitochondrial

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

5upp__assembly_1__model_1

5upp__assembly_1__model_1 | I(q)

5upp__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 (2 domains)

CATH v4.4 (6 domains)

7. Citations (1)