SAXSdb — 2pgh

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

HEMOGLOBIN (AQUO MET) (ALPHA CHAIN)

Sus scrofa

UniProt P01965

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	HEMOGLOBIN (AQUO MET) (BETA CHAIN) × 2 （P02067） PROTOPORPHYRIN IX CONTAINING FE × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HBA_PIG
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–141； UniProt 1–141 Author chain C； PDBConstruct 1–141； UniProt 1–141

HEMOGLOBIN (AQUO MET) (BETA CHAIN)

Sus scrofa

UniProt P02067

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	HEMOGLOBIN (AQUO MET) (ALPHA CHAIN) × 2 （P01965） PROTOPORPHYRIN IX CONTAINING FE × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HBB_PIG
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–146； UniProt 1–146 Author chain D； PDBConstruct 1–146； UniProt 1–146

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	2pgh
Deposition date deposition_date	1994-09-16
Structure title title	STRUCTURE DETERMINATION OF AQUOMET PORCINE HEMOGLOBIN AT 2.8 ANGSTROM RESOLUTION
Keywords keywords	OXYGEN TRANSPORT; OXYGEN TRANSPORT
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.

2pgh__assembly_1__model_1

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

Download this curve (.dat)

2pgh__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2pgh__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.80 Å
Rg (electron density)	23.37 Å
Total Rg	24.30 Å
Atom count	4570
Residues	574
Excluded volume	81412 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2pgh__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 (4)

Entity 1 Entity 1 polymer

Description description	HEMOGLOBIN (AQUO MET) (ALPHA CHAIN)
Molecular weight formula_weight	15064.1 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C
Atom count atom_count	4700

VLSAADKANVKAAWGKVGGQAGAHGAEALERMFLGFPTTKTYFPHFNLSHGSDQVKAHGQKVADALTKAVGHLDDLPGALSALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHHPDDFNPSVHASLDKFLANVSTVLTSKYR

Source Source

Source organism organism	Sus scrofa
Common name common_name	pig
NCBI taxonomy ID ncbi_taxonomy_id	9823

Entity 2 Entity 2 polymer

Description description	HEMOGLOBIN (AQUO MET) (BETA CHAIN)
Molecular weight formula_weight	16059.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D

VHLSAEEKEAVLGLWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSNADAVMGNPKVKAHGKKVLQSFSDGLKHLDNLKGTFAKLSELHCDQLHVDPENFRLLGNVIVVVLARRLGHDFNPDVQAAFQKVVAGVANALAHKYH

Source Source

Source organism organism	Sus scrofa
Common name common_name	pig
NCBI taxonomy ID ncbi_taxonomy_id	9823

Entity 3 Entity 3 non-polymer

Description description	PROTOPORPHYRIN IX CONTAINING FE
Molecular weight formula_weight	616.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	130

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2pgha_
Class class	a — All alpha proteins
Fold Fold fold	a.1 — Globin-like
Superfamily Superfamily superfamily	a.1.1 — Globin-like
Family Family family	a.1.1.2 — Globins

Domain ID domain_id	d2pghb_
Class class	a — All alpha proteins
Fold Fold fold	a.1 — Globin-like
Superfamily Superfamily superfamily	a.1.1 — Globin-like
Family Family family	a.1.1.2 — Globins

Domain ID domain_id	d2pghc_
Class class	a — All alpha proteins
Fold Fold fold	a.1 — Globin-like
Superfamily Superfamily superfamily	a.1.1 — Globin-like
Family Family family	a.1.1.2 — Globins

Domain ID domain_id	d2pghd_
Class class	a — All alpha proteins
Fold Fold fold	a.1 — Globin-like
Superfamily Superfamily superfamily	a.1.1 — Globin-like
Family Family family	a.1.1.2 — Globins

CATH v4.4 (4 domains)

Domain ID domain_id	2pghA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	490 — Globin-like
Homologous superfamily homologous superfamily	10 — Globins

Domain ID domain_id	2pghB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	490 — Globin-like
Homologous superfamily homologous superfamily	10 — Globins

Domain ID domain_id	2pghC00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	490 — Globin-like
Homologous superfamily homologous superfamily	10 — Globins

Domain ID domain_id	2pghD00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	490 — Globin-like
Homologous superfamily homologous superfamily	10 — Globins

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Unit-cell length a length_a	69.600 Å
Unit-cell length b length_b	72.800 Å
Unit-cell length c length_c	115.800 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	6.500 Å
R factor r_factor	0.1540
R_work r_work	0.1540
R_free r_free	—

STRUCTURE DETERMINATION OF AQUOMET PORCINE HEMOGLOBIN AT 2.8 ANGSTROM RESOLUTION

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

HEMOGLOBIN (AQUO MET) (ALPHA CHAIN)

State in the Current Structure

Other States of the Same Protein in the Database

HEMOGLOBIN (AQUO MET) (BETA CHAIN)

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

2pgh__assembly_1__model_1

2pgh__assembly_1__model_1 | I(q)

2pgh__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (4)

STRUCTURE DETERMINATION OF AQUOMET PORCINE HEMOGLOBIN AT 2.8 ANGSTROM RESOLUTION

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

HEMOGLOBIN (AQUO MET) (ALPHA CHAIN)

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

HEMOGLOBIN (AQUO MET) (BETA CHAIN)

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

2pgh__assembly_1__model_1

2pgh__assembly_1__model_1 | I(q)

2pgh__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (4)