SAXSdb — 5ncq

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

Sarcoplasmic/endoplasmic reticulum calcium ATPase 1

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	SPIRO(2,4,6-TRINITROBENZENE[1,2A]-2O',3O'-METHYLENE-ADENINE-TRIPHOSPHATE × 1 POTASSIUM ION × 1 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 2 (1~{S})-~{N}-[(4-bromophenyl)methyl]-7-(trifluoromethyloxy)-2,3,4,9-tetrahydro-1~{H}-carbazol-1-amine × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AT2A1_RABIT
Isoform	P04191-2
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–994； UniProt 1–994

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	5ncq
Deposition date deposition_date	2017-03-06
Structure title title	Structure of the (SR) Ca2+-ATPase bound to a Tetrahydrocarbazole and TNP-ATP
Keywords keywords	P-type ATPase, inhibitory complex, Calcium-transporting ATPase, Hydrolase; HYDROLASE
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.

5ncq__assembly_1__model_1

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

Download this curve (.dat)

5ncq__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5ncq__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	37.65 Å
Rg (electron density)	38.30 Å
Total Rg	38.36 Å
Atom count	7754
Residues	984
Excluded volume	139610 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5ncq__assembly_1__model_1`	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 (6)

Entity 1 Entity 1 polymer

Description description	Sarcoplasmic/endoplasmic reticulum calcium ATPase 1
Molecular weight formula_weight	109602.6 kDa
EC 编号 ec_number	3.6.3.8
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	7765

MEAAHSKSTEECLAYFGVSETTGLTPDQVKRHLEKYGHNELPAEEGKSLWELVIEQFEDLLVRILLLAACISFVLAWFEEGEETITAFVEPFVILLILIANAIVGVWQERNAENAIEALKEYEPEMGKVYRADRKSVQRIKARDIVPGDIVEVAVGDKVPADIRILSIKSTTLRVDQSILTGESVSVIKHTEPVPDPRAVNQDKKNMLFSGTNIAAGKALGIVATTGVSTEIGKIRDQMAATEQDKTPLQQKLDEFGEQLSKVISLICVAVWLINIGHFNDPVHGGSWIRGAIYYFKIAVALAVAAIPEGLPAVITTCLALGTRRMAKKNAIVRSLPSVETLGCTSVICSDKTGTLTTNQMSVCKMFIIDKVDGDFCSLNEFSITGSTYAPEGEVLKNDKPIRSGQFDGLVELATICALCNDSSLDFNETKGVYEKVGEATETALTTLVEKMNVFNTEVRNLSKVERANACNSVIRQLMKKEFTLEFSRDRKSMSVYCSPAKSSRAAVGNKMFVKGAPEGVIDRCNYVRVGTTRVPMTGPVKEKILSVIKEWGTGRDTLRCLALATRDTPPKREEMVLDDSSRFMEYETDLTFVGVVGMLDPPRKEVMGSIQLCRDAGIRVIMITGDNKGTAIAICRRIGIFGENEEVADRAYTGREFDDLPLAEQREACRRACCFARVEPSHKSKIVEYLQSYDEITAMTGDGVNDAPALKKAEIGIAMGSGTAVAKTASEMVLADDNFSTIVAAVEEGRAIYNNMKQFIRYLISSNVGEVVCIFLTAALGLPEALIPVQLLWVNLVTDGLPATALGFNPPDLDIMDRPPRSPKEPLISGWLFFRYMAIGGYVGAATVGAAAWWFMYAEDGPGVTYHQLTHFMQCTEDHPHFEGLDCEIFEAPEPMTMALSVLVTIEMCNALNSLSENQSLMRMPPWVNIWLLGSICLSMSLHFLILYVDPLPMIFKLKALDLTQWLMVLKISLPVIGLDEILKFIARNYLEG

Entity 2 Entity 2 non-polymer

Description description	SPIRO(2,4,6-TRINITROBENZENE[1,2A]-2O',3O'-METHYLENE-ADENINE-TRIPHOSPHATE
Molecular weight formula_weight	717.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	POTASSIUM ION
Molecular weight formula_weight	39.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE
Molecular weight formula_weight	787.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	(1~{S})-~{N}-[(4-bromophenyl)methyl]-7-(trifluoromethyloxy)-2,3,4,9-tetrahydro-1~{H}-carbazol-1-amine
Molecular weight formula_weight	439.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	2

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	5ncqA01
Class class	2 — Mainly Beta
Architecture architecture	70 — Distorted Sandwich
Topology topology	150 — Calcium-transporting ATPase, cytoplasmic transduction domain A
Homologous superfamily homologous superfamily	10 — Calcium-transporting ATPase, cytoplasmic transduction domain A

Domain ID domain_id	5ncqA02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1110 — Calcium-transporting ATPase, transmembrane domain
Homologous superfamily homologous superfamily	10 — Calcium-transporting ATPase, transmembrane domain

Domain ID domain_id	5ncqA03
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1000 — HAD superfamily/HAD-like

Domain ID domain_id	5ncqA04
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1110 — Calcium-transporting ATPase, cytoplasmic domain N
Homologous superfamily homologous superfamily	10 — Calcium-transporting ATPase, cytoplasmic domain N

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Unit-cell length a length_a	125.620 Å
Unit-cell length b length_b	224.630 Å
Unit-cell length c length_c	57.050 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	4

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	56.158 Å
R factor r_factor	0.2156
R_work r_work	0.2129
R_free r_free	0.2666

Structure of the (SR) Ca2+-ATPase bound to a Tetrahydrocarbazole and TNP-ATP

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

Sarcoplasmic/endoplasmic reticulum calcium ATPase 1

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

5ncq__assembly_1__model_1

5ncq__assembly_1__model_1 | I(q)

5ncq__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 (6)

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

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

Structure of the (SR) Ca2+-ATPase bound to a Tetrahydrocarbazole and TNP-ATP

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

Sarcoplasmic/endoplasmic reticulum calcium ATPase 1

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

5ncq__assembly_1__model_1

5ncq__assembly_1__model_1 | I(q)

5ncq__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 (6)

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

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)