SAXSdb — 2j3t

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

TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 3

MUS MUSCULUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 6A × 1 （O75865） TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 1 × 1 （Q5NCF2） TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 4 × 1 （Q9Y296） PALMITIC ACID × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TPPC3_MOUSE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–182； UniProt 1–180

TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 6A

HOMO SAPIENS

UniProt O75865

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 3 × 1 （O55013） TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 1 × 1 （Q5NCF2） TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 4 × 1 （Q9Y296） PALMITIC ACID × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TPC6A_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–159； UniProt 1–159

TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 1

MUS MUSCULUS

UniProt Q5NCF2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 3 × 1 （O55013） TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 6A × 1 （O75865） TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 4 × 1 （Q9Y296） PALMITIC ACID × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TPPC1_MOUSE
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–145； UniProt 1–145

TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 4

HOMO SAPIENS

UniProt Q9Y296

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 3 × 1 （O55013） TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 6A × 1 （O75865） TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 1 × 1 （Q5NCF2） PALMITIC ACID × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TPPC4_HUMAN
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–219； UniProt 1–219

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	2j3t
Deposition date deposition_date	2006-08-23
Structure title title	The crystal structure of the bet3-trs33-bet5-trs23 complex.
Keywords keywords	;TRAPP, PALMITATE, TRANSPORT, LIPOPROTEIN, ER-GOLGI TRANSPORT, GOLGI APPARATUS, PROTEIN TRANSPORT, VESICLE TRANSPORT, ENDOPLASMIC RETICULUM, MULTISUBUNIT TETHERING FACTOR ;; TRANSPORT
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.

2j3t__assembly_1__model_1

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

Download this curve (.dat)

2j3t__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2j3t__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.21 Å
Rg (electron density)	30.68 Å
Total Rg	31.20 Å
Atom count	5264
Residues	665
Excluded volume	94650 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2j3t__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 (6)

Entity 1 Entity 1 polymer

Description description	TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 3
Molecular weight formula_weight	20452.2 kDa
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	5396

GAMSRQANRGTESKKMSSELFTLTYGALVTQLCKDYENDEDVNKQLDRMGYNIGVRLIEDFLARSNVGRCHDFRETADVIAKVAFKMYLGITPSITNWSPAGDEFSLILENNPLVDFVELPDNHSALIYSNLLCGVLRGALEMVQMAVEAKFVQDTLKGDGVTEIRMRFIRRIEDNLPAGEE

Source Source

Source organism organism	MUS MUSCULUS
Common name common_name	MOUSE
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 6A
Molecular weight formula_weight	17620.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MADTVLFEFLHTEMVAELWAHDPDPGPGGQKMSLSVLEGMGFRVGQALGERLPRETLAFREELDVLKFLCKDLWVAVFQKQMDSLRTNHQGTYVLQDNSFPLLLPMASGLQYLEEAPKFLAFTCGLLRGALYTLGIESVVTASVAALPVCKFQVVIPKS

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

Entity 3 Entity 3 polymer

Description description	TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 1
Molecular weight formula_weight	16905.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MTVHNLYLFDRNGVCLHYSEWHRKKQAGIPKEEEYKLMYGMLFSIRSFVSKMSPLDMKDGFLSFQTSRYKLHYYETPTGIKVVMNTDLGVGPIRDVLHHIYSALYVEFVVKNPLCPLGQTVQSELFRSRLDSYVRSLPFFSARAG

Source Source

Source organism organism	MUS MUSCULUS
Common name common_name	MOUSE
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	ESCHERICHIA COLI

Entity 4 Entity 4 polymer

Description description	TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 4
Molecular weight formula_weight	24366.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MAIFSVYVVNKAGGLIYQLDSYAPRAEAEKTFSYPLDLLLKLHDERVLVAFGQRDGIRVGHAVLAINGMDVNGRYTADGKEVLEYLGNPANYPVSIRFGRPRLTSNEKLMLASMFHSLFAIGSQLSPEQGSSGIEMLETDTFKLHCYQTLTGIKFVVLADPRQAGIDSLLRKIYEIYSDFALKNPFYSLEMPIRCELFDQNLKLALEVAEKAGTFGPGS

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

Entity 5 Entity 5 non-polymer

Description description	PALMITIC ACID
Molecular weight formula_weight	256.4 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	132

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6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2j3ta_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.278 — Ligand-binding domain in the NO signalling and Golgi transport
Superfamily Superfamily superfamily	d.278.1 — Ligand-binding domain in the NO signalling and Golgi transport
Family Family family	d.278.1.2 — TRAPP components

CATH v4.4 (4 domains)

Domain ID domain_id	2j3tA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1380 — Muramoyl-pentapeptide Carboxypeptidase; domain 2
Homologous superfamily homologous superfamily	20 — Trafficking protein particle complex subunit 3

Domain ID domain_id	2j3tB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1380 — Muramoyl-pentapeptide Carboxypeptidase; domain 2
Homologous superfamily homologous superfamily	20 — Trafficking protein particle complex subunit 3

Domain ID domain_id	2j3tC00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	450 — Beta-Lactamase
Homologous superfamily homologous superfamily	70 —

Domain ID domain_id	2j3tD01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	450 — Beta-Lactamase
Homologous superfamily homologous superfamily	70 —

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Unit-cell length a length_a	57.602 Å
Unit-cell length b length_b	66.336 Å
Unit-cell length c length_c	200.808 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 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2074
R_work r_work	0.2074
R_free r_free	0.2487

The crystal structure of the bet3-trs33-bet5-trs23 complex.

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

TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 6A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 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

TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 4

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

2j3t__assembly_1__model_1

2j3t__assembly_1__model_1 | I(q)

2j3t__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

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

CATH v4.4 (4 domains)

7. Citations (1)