SAXSdb — 1qjs

▼

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

HEMOPEXIN

OrganismNot specified

UniProt P20058

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	PROTOPORPHYRIN IX CONTAINING FE × 1 PHOSPHATE ION × 1 CHLORIDE ION × 2 SODIUM ION × 4	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	PROTOPORPHYRIN IX CONTAINING FE × 1 PHOSPHATE ION × 1 CHLORIDE ION × 2 SODIUM ION × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HEMO_RABIT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–460； UniProt 1–460 Author chain B； PDBConstruct 1–460； UniProt 1–460

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	1qjs
Deposition date deposition_date	1999-07-01
Structure title title	mammalian blood serum haemopexin glycosylated-native protein and in complex with its ligand haem
Keywords keywords	TRANSPORT PROTEIN, HAEM BINDING PROTEIN, BETA PROPELLER, HAEM BINDING AND TRANSPORT, IRON METABOLISM; TRANSPORT PROTEIN
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.

1qjs__assembly_1__model_1

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

Download this curve (.dat)

1qjs__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1qjs__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.97 Å
Rg (electron density)	23.26 Å
Total Rg	24.11 Å
Atom count	3343
Residues	408
Excluded volume	59006 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1qjs__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1qjs__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	HEMOPEXIN
Molecular weight formula_weight	51832.3 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	6686

MVKASGIPIALGVWGLCWSLATVNSVPLTSAHGNVTEGESGTKPEADVIEQCSDGWSFDATTLDDNGTMLFFKDEFVWKSHRGIRELISERWKNFIGPVDAAFRHGHTSVYLIKGDKVWVYTSEKNEKVYPKSLQDEFPGIPFPLDAAVECHRGECQDEGILFFQGNRKWFWDLTTGTKKERSWPAVGNCTSALRWLGRYYCFQGNQFLRFNPVSGEVPPGYPLDVRDYFLSCPGRGHRSSHRNSTQHGHESTRCDPDLVLSAMVSDNHGATYVFSGSHYWRLDTNRDGWHSWPIAHQWPQGPSTVDAAFSWEDKLYLIQDTKVYVFLTKGGYTLVNGYPKRLEKELGSPPVISLEAVDAAFVCPGSSRLHIMAGRRLWWLDLKSGAQATWTELPWPHEKVDGALCMEKPLGPNSCSTSGPNLYLIHGPNLYCYRHVDKLNAAKNLPQPQRVSRLLGCTH

Entity 2 Entity 2 non-polymer

Description description	PROTOPORPHYRIN IX CONTAINING FE
Molecular weight formula_weight	616.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	8

▼

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1qjsa1
Class class	b — All beta proteins
Fold Fold fold	b.66 — 4-bladed beta-propeller
Superfamily Superfamily superfamily	b.66.1 — Hemopexin-like domain
Family Family family	b.66.1.1 — Hemopexin-like domain

Domain ID domain_id	d1qjsa2
Class class	b — All beta proteins
Fold Fold fold	b.66 — 4-bladed beta-propeller
Superfamily Superfamily superfamily	b.66.1 — Hemopexin-like domain
Family Family family	b.66.1.1 — Hemopexin-like domain

Domain ID domain_id	d1qjsb1
Class class	b — All beta proteins
Fold Fold fold	b.66 — 4-bladed beta-propeller
Superfamily Superfamily superfamily	b.66.1 — Hemopexin-like domain
Family Family family	b.66.1.1 — Hemopexin-like domain

Domain ID domain_id	d1qjsb2
Class class	b — All beta proteins
Fold Fold fold	b.66 — 4-bladed beta-propeller
Superfamily Superfamily superfamily	b.66.1 — Hemopexin-like domain
Family Family family	b.66.1.1 — Hemopexin-like domain

CATH v4.4 (4 domains)

Domain ID domain_id	1qjsA01
Class class	2 — Mainly Beta
Architecture architecture	110 — 4 Propeller
Topology topology	10 — Hemopexin
Homologous superfamily homologous superfamily	10 — Hemopexin-like domain

Domain ID domain_id	1qjsA02
Class class	2 — Mainly Beta
Architecture architecture	110 — 4 Propeller
Topology topology	10 — Hemopexin
Homologous superfamily homologous superfamily	10 — Hemopexin-like domain

Domain ID domain_id	1qjsB01
Class class	2 — Mainly Beta
Architecture architecture	110 — 4 Propeller
Topology topology	10 — Hemopexin
Homologous superfamily homologous superfamily	10 — Hemopexin-like domain

Domain ID domain_id	1qjsB02
Class class	2 — Mainly Beta
Architecture architecture	110 — 4 Propeller
Topology topology	10 — Hemopexin
Homologous superfamily homologous superfamily	10 — Hemopexin-like domain

▶

Unit-cell length a length_a	103.900 Å
Unit-cell length b length_b	69.900 Å
Unit-cell length c length_c	151.810 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	108.16 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2510
R_work r_work	0.2550
R_free r_free	0.3120

mammalian blood serum haemopexin glycosylated-native protein and in complex with its ligand haem

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

HEMOPEXIN

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

1qjs__assembly_1__model_1

1qjs__assembly_1__model_1 | I(q)

1qjs__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

mammalian blood serum haemopexin glycosylated-native protein and in complex with its ligand haem

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

HEMOPEXIN

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

1qjs__assembly_1__model_1

1qjs__assembly_1__model_1 | I(q)

1qjs__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)