SAXSdb — 7fhl

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

Two pore calcium channel protein 1,GFP

Human respiratory syncytial virus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 4	AtTPC1-Cter × 2 CALCIUM ION × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A5P9VSM6_HRSV
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 748–985； UniProt 2–239 Author chain C； PDBConstruct 748–985； UniProt 2–239

Two pore calcium channel protein 1,GFP

Human respiratory syncytial virus

UniProt Q94KI8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 4	AtTPC1-Cter × 2 CALCIUM ION × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TPC1_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–733； UniProt 1–733 Author chain C； PDBConstruct 1–733； UniProt 1–733

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	7fhl
Deposition date deposition_date	2021-07-29
Structure title title	Structure of AtTPC1 with 50 mM Ca2+
Keywords keywords	non-selective cation channel, dimer, vacuole, TRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method method	ELECTRON MICROSCOPY

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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.

7fhl__assembly_1__model_1

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

Download this curve (.dat)

7fhl__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7fhl__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	39.40 Å
Rg (electron density)	38.24 Å
Total Rg	38.67 Å
Atom count	11058
Residues	1350
Excluded volume	200850 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7fhl__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 (3)

Entity 1 Entity 1 polymer

Description description	Two pore calcium channel protein 1,GFP
Molecular weight formula_weight	114644.3 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	11058

MEDPLIGRDSLGGGGTDRVRRSEAITHGTPFQKAAALVDLAEDGIGLPVEILDQSSFGESARYYFIFTRLDLIWSLNYFALLFLNFFEQPLWCEKNPKPSCKDRDYYYLGELPYLTNAESIIYEVITLAILLVHTFFPISYEGSRIFWTSRLNLVKVACVVILFVDVLVDFLYLSPLAFDFLPFRIAPYVRVIIFILSIRELRDTLVLLSGMLGTYLNILALWMLFLLFASWIAFVMFEDTQQGLTVFTSYGATLYQMFILFTTSNNPDVWIPAYKSSRWSSVFFVLYVLIGVYFVTNLILAVVYDSFKEQLAKQVSGMDQMKRRMLEKAFGLIDSDKNGEIDKNQCIKLFEQLTNYRTLPKISKEEFGLIFDELDDTRDFKINKDEFADLCQAIALRFQKEEVPSLFEHFPQIYHSALSQQLRAFVRSPNFGYAISFILIINFIAVVVETTLDIEESSAQKPWQVAEFVFGWIYVLEMALKIYTYGFENYWREGANRFDFLVTWVIVIGETATFITPDENTFFSNGEWIRYLLLARMLRLIRLLMNVQRYRAFIATFITLIPSLMPYLGTIFCVLCIYCSIGVQVFGGLVNAGNKKLFETELAEDDYLLFNFNDYPNGMVTLFNLLVMGNWQVWMESYKDLTGTWWSITYFVSFYVITILLLLNLVVAFVLEAFFTELDLEEEEKCQGQDSQEKRNRRRSAGSKSRSQRVDTLLHHMLGDELSKPECSTSDTSTAGLVPRGSAAAAVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSKLSKDPNEKRDHMVLLEFVTAAGITLGMDELYKSGLRSHHHHHHHH

Source Source

Source organism organism	Human respiratory syncytial virus
NCBI taxonomy ID ncbi_taxonomy_id	11250
Host organism host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	AtTPC1-Cter
Molecular weight formula_weight	1039.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

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Source Source

Source organism organism	Arabidopsis thaliana
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Homo sapiens

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	4

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	7fhlA01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	350 — Voltage-gated potassium channels. Chain C

Domain ID domain_id	7fhlC01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	350 — Voltage-gated potassium channels. Chain C

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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	—

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

Resolution resolution	3.10 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	175362

Structure of AtTPC1 with 50 mM Ca2+

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

Two pore calcium channel protein 1,GFP

State in the Current Structure

Other States of the Same Protein in the Database

Two pore calcium channel protein 1,GFP

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

7fhl__assembly_1__model_1

7fhl__assembly_1__model_1 | I(q)

7fhl__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Structure of AtTPC1 with 50 mM Ca2+

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

Two pore calcium channel protein 1,GFP

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Two pore calcium channel protein 1,GFP

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

7fhl__assembly_1__model_1

7fhl__assembly_1__model_1 | I(q)

7fhl__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)