SAXSdb — 1qzu

▼

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

hypothetical protein MDS018

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	FLAVIN MONONUCLEOTIDE × 3	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 3	FLAVIN MONONUCLEOTIDE × 3	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	FLAVIN MONONUCLEOTIDE × 1	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 3	FLAVIN MONONUCLEOTIDE × 3	Consistent with protein count
5	Protein homooligomer	Homooligomer	Protein 3	FLAVIN MONONUCLEOTIDE × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COAC_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–206； UniProt 1–204 Author chain B； PDBConstruct 3–206； UniProt 1–204 Author chain C； PDBConstruct 3–206； UniProt 1–204 Author chain D； PDBConstruct 3–206； UniProt 1–204

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1qzu
Deposition date deposition_date	2003-09-17
Structure title title	crystal structure of human phosphopantothenoylcysteine decarboxylase
Keywords keywords	alpha-beta sandwich, LYASE; LYASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

1qzu__assembly_1__model_1

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

Download this curve (.dat)

1qzu__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1qzu__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.22 Å
Rg (electron density)	22.32 Å
Total Rg	23.01 Å
Atom count	3474
Residues	480
Excluded volume	61198 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1qzu__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1qzu__assembly_2__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1qzu__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`1qzu__assembly_4__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`1qzu__assembly_5__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1qzua_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.34 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Superfamily Superfamily superfamily	c.34.1 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Family Family family	c.34.1.1 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD

Domain ID domain_id	d1qzub_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.34 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Superfamily Superfamily superfamily	c.34.1 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Family Family family	c.34.1.1 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD

Domain ID domain_id	d1qzuc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.34 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Superfamily Superfamily superfamily	c.34.1 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Family Family family	c.34.1.1 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD

Domain ID domain_id	d1qzud_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.34 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Superfamily Superfamily superfamily	c.34.1 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD
Family Family family	c.34.1.1 — Homo-oligomeric flavin-containing Cys decarboxylases, HFCD

CATH v4.4 (4 domains)

Domain ID domain_id	1qzuA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1950 — Flavin prenyltransferase-like

Domain ID domain_id	1qzuB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1950 — Flavin prenyltransferase-like

Domain ID domain_id	1qzuC00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1950 — Flavin prenyltransferase-like

Domain ID domain_id	1qzuD00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1950 — Flavin prenyltransferase-like

▶

Unit-cell length a length_a	124.780 Å
Unit-cell length b length_b	124.780 Å
Unit-cell length c length_c	153.500 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	36

Space group space_group	H 3
Space-group number int_tables_number	146
Crystal system crystal_system	—

Resolution resolution	2.910 Å
Low-resolution limit resolution_low	25.480 Å
R factor r_factor	0.2930
R_work r_work	0.2930
R_free r_free	0.3420

Description description	hypothetical protein MDS018
Molecular weight formula_weight	22566.3 kDa
EC 编号 ec_number	4.1.1.36
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	4558

crystal structure of human phosphopantothenoylcysteine decarboxylase

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

hypothetical protein MDS018

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

1qzu__assembly_1__model_1

1qzu__assembly_1__model_1 | I(q)

1qzu__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Description description	FLAVIN MONONUCLEOTIDE
Molecular weight formula_weight	456.3 kDa
Source method src_method	syn
Copy count entity_count	4

crystal structure of human phosphopantothenoylcysteine decarboxylase

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

hypothetical protein MDS018

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

1qzu__assembly_1__model_1

1qzu__assembly_1__model_1 | I(q)

1qzu__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)