SAXSdb — 1a66

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

CORE NFATC1

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–DNA	Monomer	Protein 1 DNA 2	;DNA (5'-D(CPGPAPGPGPAPAPAPAPTPTPG)-3') ; × 1 ;DNA (5'-D(CPAPAPTPTPTPTPCPCPTPCPG)-3') ; × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NFAC1_HUMAN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain A； PDBConstruct 1–178； UniProt 414–591

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	1a66
Deposition date deposition_date	1998-03-06
Structure title title	SOLUTION NMR STRUCTURE OF THE CORE NFATC1/DNA COMPLEX, 18 STRUCTURES
Keywords keywords	;NFATC1/DNA, REL, NFAT/DNA, ARRE2, NFAT, NFATC1, NFATC, NFAT2, BINARY COMPLEX, TRANSCRIPTION FACTOR, ENHANCEOSOME, IL-2, COMPLEX, BINARY, TRANSCRIPTION-DNA COMPLEX ;; TRANSCRIPTION/DNA
Experimental Method method	SOLUTION NMR

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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.

1a66__assembly_1__model_3

Assembly 1 · Model 3 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1a66__assembly_1__model_3 | I(q)

100 plotted points; both axes use logarithmic scales.

1a66__assembly_1__model_3 | P(r) · Pending

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

Rg（Guinier）	20.58 Å
Rg (electron density)	19.69 Å
Total Rg	20.48 Å
Atom count	3595
Residues	202
Excluded volume	32003 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1a66__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`1a66__assembly_1__model_2`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`1a66__assembly_1__model_3`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`1a66__assembly_1__model_4`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`1a66__assembly_1__model_5`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`1a66__assembly_1__model_6`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`1a66__assembly_1__model_7`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`1a66__assembly_1__model_8`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`1a66__assembly_1__model_9`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`1a66__assembly_1__model_10`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	11	`1a66__assembly_1__model_11`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	12	`1a66__assembly_1__model_12`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	13	`1a66__assembly_1__model_13`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	14	`1a66__assembly_1__model_14`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	15	`1a66__assembly_1__model_15`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	16	`1a66__assembly_1__model_16`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	17	`1a66__assembly_1__model_17`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	18	`1a66__assembly_1__model_18`	trimeric （3）	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	;DNA (5'-D(CPGPAPGPGPAPAPAPAPTPTPG)-3') ;
Molecular weight formula_weight	3735.5 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	B
Atom count atom_count	64710

CGAGGAAAATTG

Entity 2 Entity 2 polymer

Description description	;DNA (5'-D(CPAPAPTPTPTPTPCPCPTPCPG)-3') ;
Molecular weight formula_weight	3588.4 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	C

CAATTTTCCTCG

Entity 3 Entity 3 polymer

Description description	CORE NFATC1
Molecular weight formula_weight	20004.9 kDa
Mutation mutation	A1M, L2K, H28R
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

MKDWQLPSHSGPYELRIEVQPKSHHRARYETEGSRGAVKASAGGHPIVQLHGYLENEPLMLQLFIGTADDRLLRPHAFYQVHRITGKTVSTTSHEAILSNTKVLEIPLLPENSMRAVIDCAGILKLRNSDIELRKGETDIGRKNTRVRLVFRVHVPQPSGRTLSLQVASNPIECSQRS

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)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1a66a_
Class class	b — All beta proteins
Fold Fold fold	b.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamily	b.2.5 — p53-like transcription factors
Family Family family	b.2.5.3 — Rel/Dorsal transcription factors, DNA-binding domain

CATH v4.4 (1 domains)

Domain ID domain_id	1a66A00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	340 — Rel homology domain (RHD), DNA-binding domain

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	1

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

SOLUTION NMR STRUCTURE OF THE CORE NFATC1/DNA COMPLEX, 18 STRUCTURES

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

CORE NFATC1

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

1a66__assembly_1__model_3

1a66__assembly_1__model_3 | I(q)

1a66__assembly_1__model_3 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

SOLUTION NMR STRUCTURE OF THE CORE NFATC1/DNA COMPLEX, 18 STRUCTURES

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

CORE NFATC1

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

1a66__assembly_1__model_3

1a66__assembly_1__model_3 | I(q)

1a66__assembly_1__model_3 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)