2ilm

Factor Inhibiting HIF-1 Alpha D201A Mutant in Complex with FE(II), Alpha-Ketoglutarate and HIF-1 Alpha 35mer

Method: X-RAY DIFFRACTION

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

Hypoxia-inducible factor 1 alpha inhibitor

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Hypoxia-inducible factor 1 alpha × 2 （Q16665） FE (II) ION × 2 SULFATE ION × 4 BICARBONATE ION × 2 2-OXOGLUTARIC ACID × 2 GLYCEROL × 6 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HIF1N_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–349； UniProt 1–349

Hypoxia-inducible factor 1 alpha

OrganismNot specified

UniProt Q16665

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Hypoxia-inducible factor 1 alpha inhibitor × 2 （Q9NWT6） FE (II) ION × 2 SULFATE ION × 4 BICARBONATE ION × 2 2-OXOGLUTARIC ACID × 2 GLYCEROL × 6 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HIF1A_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain S； PDBConstruct 1–41； UniProt 786–826

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	2ilm
Deposition date deposition_date	2006-10-03
Structure title title	Factor Inhibiting HIF-1 Alpha D201A Mutant in Complex with FE(II), Alpha-Ketoglutarate and HIF-1 Alpha 35mer
Keywords keywords	;FIH, HIF, DSBH, OXYGENASE, TRANSCRIPTION, HYPOXIA, INHIBITOR 2-OXOGLUTARATE, ASPARAGINYL HYDROXYLASE, TRANSCRIPTION REGULATOR, OXIDOREDUCTASE ;; TRANSCRIPTION REGULATOR, OXIDOREDUCTASE
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.

2ilm__assembly_1__model_1

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

Download this curve (.dat)

2ilm__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2ilm__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	34.18 Å
Rg (electron density)	34.15 Å
Total Rg	34.40 Å
Atom count	5470
Residues	694
Excluded volume	96190 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2ilm__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 (8)

Entity 1 Entity 1 polymer

Description description	Hypoxia-inducible factor 1 alpha inhibitor
Molecular weight formula_weight	40284.3 kDa
EC 编号 ec_number	1.14.11.16
Mutation mutation	D201A
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2910

MAATAAEAVASGSGEPREEAGALGPAWDESQLRSYSFPTRPIPRLSQSDPRAEELIENEEPVVLTDTNLVYPALKWDLEYLQENIGNGDFSVYSASTHKFLYYDEKKMANFQNFKPRSNREEMKFHEFVEKLQDIQQRGGEERLYLQQTLNDTVGRKIVMDFLGFNWNWINKQQGKRGWGQLTSNLLLIGMEGNVTPAHYAEQQNFFAQIKGYKRCILFPPDQFECLYPYPVHHPCDRQSQVDFDNPDYERFPNFQNVVGYETVVGPGDVLYIPMYWWHHIESLLNGGITITVNFWYKGAPTPKRIEYPLKAHQKVAIMRNIEKMLGEALGNPQEVGPLLNTMIKGRYN

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 BL21(DE3)

Entity 2 Entity 2 polymer

Description description	Hypoxia-inducible factor 1 alpha
Molecular weight formula_weight	4506.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	S

SMDESGLPQLTSYDCEVNAPIQGSRNLLQGEELLRALDQVN

Entity 3 Entity 3 non-polymer

Description description	FE (II) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	BICARBONATE ION
Molecular weight formula_weight	61.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	2-OXOGLUTARIC ACID
Molecular weight formula_weight	146.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 8 Entity 8 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	175

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2ilma_
Class class	b — All beta proteins
Fold Fold fold	b.82 — Double-stranded beta-helix
Superfamily Superfamily superfamily	b.82.2 — Clavaminate synthase-like
Family Family family	b.82.2.6 — Hypoxia-inducible factor HIF ihhibitor (FIH1)

CATH v4.4 (2 domains)

Domain ID domain_id	2ilmA01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	10 — Jelly Rolls

Domain ID domain_id	2ilmA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	1010 — Clavaminate synthase-like

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Unit-cell length a length_a	86.531 Å
Unit-cell length b length_b	86.531 Å
Unit-cell length c length_c	147.640 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 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	43.270 Å
R factor r_factor	0.2090
R_work r_work	0.2090
R_free r_free	0.2670

Factor Inhibiting HIF-1 Alpha D201A Mutant in Complex with FE(II), Alpha-Ketoglutarate and HIF-1 Alpha 35mer

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

Hypoxia-inducible factor 1 alpha inhibitor

State in the Current Structure

Other States of the Same Protein in the Database

Hypoxia-inducible factor 1 alpha

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

2ilm__assembly_1__model_1

2ilm__assembly_1__model_1 | I(q)

2ilm__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (3)

Factor Inhibiting HIF-1 Alpha D201A Mutant in Complex with FE(II), Alpha-Ketoglutarate and HIF-1 Alpha 35mer

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

Hypoxia-inducible factor 1 alpha inhibitor

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Hypoxia-inducible factor 1 alpha

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

2ilm__assembly_1__model_1

2ilm__assembly_1__model_1 | I(q)

2ilm__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (3)