1r6p

NMR structure of the N-terminal domain of trout cardiac troponin C at 7 C

Method: SOLUTION NMR

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

troponin C

Oncorhynchus mykiss

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	CALCIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7ZZB9_ONCMY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–89； UniProt 1–89

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	1r6p
Deposition date deposition_date	2003-10-15
Structure title title	NMR structure of the N-terminal domain of trout cardiac troponin C at 7 C
Keywords keywords	EF-hand, METAL BINDING PROTEIN; METAL BINDING PROTEIN
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.

1r6p__assembly_1__model_21

Assembly 1 · Model 21 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1r6p__assembly_1__model_21 | I(q)

100 plotted points; both axes use logarithmic scales.

1r6p__assembly_1__model_21 | P(r) · Pending

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

Rg（Guinier）	14.23 Å
Rg (electron density)	12.68 Å
Total Rg	14.00 Å
Atom count	1370
Residues	89
Excluded volume	12446 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1r6p__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`1r6p__assembly_1__model_2`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`1r6p__assembly_1__model_3`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`1r6p__assembly_1__model_4`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`1r6p__assembly_1__model_5`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`1r6p__assembly_1__model_6`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`1r6p__assembly_1__model_7`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`1r6p__assembly_1__model_8`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`1r6p__assembly_1__model_9`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`1r6p__assembly_1__model_10`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	11	`1r6p__assembly_1__model_11`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	12	`1r6p__assembly_1__model_12`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	13	`1r6p__assembly_1__model_13`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	14	`1r6p__assembly_1__model_14`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	15	`1r6p__assembly_1__model_15`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	16	`1r6p__assembly_1__model_16`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	17	`1r6p__assembly_1__model_17`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	18	`1r6p__assembly_1__model_18`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	19	`1r6p__assembly_1__model_19`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	20	`1r6p__assembly_1__model_20`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	21	`1r6p__assembly_1__model_21`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	22	`1r6p__assembly_1__model_22`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	23	`1r6p__assembly_1__model_23`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	24	`1r6p__assembly_1__model_24`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	25	`1r6p__assembly_1__model_25`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	26	`1r6p__assembly_1__model_26`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	27	`1r6p__assembly_1__model_27`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	28	`1r6p__assembly_1__model_28`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	29	`1r6p__assembly_1__model_29`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	30	`1r6p__assembly_1__model_30`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	31	`1r6p__assembly_1__model_31`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	32	`1r6p__assembly_1__model_32`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	33	`1r6p__assembly_1__model_33`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	34	`1r6p__assembly_1__model_34`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	35	`1r6p__assembly_1__model_35`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	36	`1r6p__assembly_1__model_36`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	37	`1r6p__assembly_1__model_37`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	38	`1r6p__assembly_1__model_38`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	39	`1r6p__assembly_1__model_39`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	40	`1r6p__assembly_1__model_40`	monomeric （1）	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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1r6pa_
Class class	a — All alpha proteins
Fold Fold fold	a.39 — EF Hand-like
Superfamily Superfamily superfamily	a.39.1 — EF-hand
Family Family family	a.39.1.5 — Calmodulin-like

CATH v4.4 (1 domains)

Domain ID domain_id	1r6pA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	238 — Recoverin; domain 1
Homologous superfamily homologous superfamily	10 — EF-hand

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Description description	troponin C
Molecular weight formula_weight	10142.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	54800

Source organism organism	Oncorhynchus mykiss
Common name common_name	rainbow trout
NCBI taxonomy ID ncbi_taxonomy_id	8022
Host organism host_organism	Escherichia coli BL21

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	1

NMR structure of the N-terminal domain of trout cardiac troponin C at 7 C

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

troponin C

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

1r6p__assembly_1__model_21

1r6p__assembly_1__model_21 | I(q)

1r6p__assembly_1__model_21 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (2)

NMR structure of the N-terminal domain of trout cardiac troponin C at 7 C

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

troponin C

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

1r6p__assembly_1__model_21

1r6p__assembly_1__model_21 | I(q)

1r6p__assembly_1__model_21 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (2)