1bxn

THE CRYSTAL STRUCTURE OF RUBISCO FROM ALCALIGENES EUTROPHUS TO 2.7 ANGSTROMS.

Method: X-RAY DIFFRACTION D_max: 131.9 Å Quality: GOOD

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

No usable UniProt protein identity is available for this entry.

七张关系表仍保留该条目的 assembly 与组成信息，但缺少统一蛋白身份时，不能可靠建立跨 PDB 的同蛋白Chain接。

Assembly Composition of the Current Entry

Assembly	Oligomeric State	实体与Construct证据	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer 蛋白 16 / DNA 0 / RNA 0 / 其他Polymer 0 PDB declaration: hexadecameric	Entity 1：PROTEIN (RIBULOSE BISPHOSPHATE CARBOXYLASE LARGE CHAIN) × 8 Entity 2：PROTEIN (RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL CHAIN) × 8 缺少 UniProt 身份时不显示参考序列区间	Not recorded	PO4 PHOSPHATE ION × 16	X-RAY DIFFRACTION X-ray crystallization conditions：pH 8.4；pH 8.40	Resolution 2.70 Å R-free 0.322

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.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1bxn
Deposition date deposition_date	1998-10-06
Structure title title	THE CRYSTAL STRUCTURE OF RUBISCO FROM ALCALIGENES EUTROPHUS TO 2.7 ANGSTROMS.
Keywords keywords	LYASE (CARBON-CARBON), LYASE; LYASE
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	42.54 Å
Radius of gyration Rg (electron density) rg_electron	42.15 Å
Forward intensity I(0) i0	998461000.00
Molecular weight molecular_weight	257810.0 kDa
Excluded volume excluded_volume	320850 Å³
Envelope volume envelope_volume	418220 Å³
Hydration-shell volume shell_volume	78229 Å³
Envelope diameter envelope_diameter	133.1 Å
Shell Rg shell_rg	50.39 Å
Envelope Rg envelope_rg	42.44 Å
Shape Rg shape_rg	42.18 Å
Total Rg total_rg	42.40 Å
Total atoms total_atoms	18144
Residues n_residues	2296
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	131.9 Å
Rg (real space) rg_real	42.34 Å
Rg uncertainty (real space) rg_real_error	0.90 Å
I(0) (real space) i0_real	9.9850e+08
I(0) uncertainty (real space) i0_real_error	1.6940e+07
Rg (reciprocal space) rg_reciprocal	42.53 Å
I(0) (reciprocal space) i0_reciprocal	998700000.0000
Solution quality estimate total_estimate	0.8906
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	1
Primary peak position r_peak_primary	57.0 Å
Skewness Skewness skewness	0.120
Kurtosis Kurtosis kurtosis	-0.539
Angular range angular_range	— – 0.1850 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	265800000.0000
Real-space data points n_real_points	38
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.778

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	PROTEIN (RIBULOSE BISPHOSPHATE CARBOXYLASE LARGE CHAIN)
Molecular weight formula_weight	53703.9 kDa
EC 编号 ec_number	4.1.1.39
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C,E,G
Atom count atom_count	18144

MNAPESVQAKPRKRYDAGVMKYKMGYWDGDYVPKDTDLLALFRITPQDGVDPVEAAAAVAGESSTATWTVVWTDRLTACDMYRAKAYRVDPVPNNPEQFFCYVAYDLSLFEEGSIANLTASIIGNVFSFKPIKAARLEDMRFPVAYVKTFAGPSTGIIVERERLDKFGRPLLGATTKPKLGLSGRNYGRVVYEGLKGGLDFMKDDENINSQPFMHWRDRFLFVMDAVNKASAATGEVKGSYLNVTAGTMEEMYRRAEFAKSLGSVIIMVDLIVGWTCIQSMSNWCRQNDMILHLHRAGHGTYTRQKNHGVSFRVIAKWLRLAGVDHMHTGTAVGKLEGDPLTVQGYYNVCRDAYTQTDLTRGLFFDQDWASLRKVMPVASGGIHAGQMHQLIHLFGDDVVLQFGGGTIGHPQGIQAGATANRVALEAMVLARNEGRDILNEGPEILRDAARWCGPLRAALDTWGDISFNYTPTDTSDFAPTASVA

来源 Source

来源生物 organism	Cupriavidus necator
NCBI Class编号 ncbi_taxonomy_id	106590

Entity 2 Entity 2 polymer

Description description	PROTEIN (RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL CHAIN)
Molecular weight formula_weight	16058.9 kDa
EC 编号 ec_number	4.1.1.39
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,J,K,L

MRITQGTFSFLPELTDEQITKQLEYCLNQGWAVGLEYTDDPHPRNTYWEMFGLPMFDLRDAAGILMEINNARNTFPNHYIRVTAFDSTHTVESVVMSFIVNRPADEPGFRLVRQEEPGRTLRYSIESYAVQAGPEGSRY

来源 Source

来源生物 organism	Cupriavidus necator
NCBI Class编号 ncbi_taxonomy_id	106590

Entity 3 Entity 3 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	8

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7. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

Domain ID domain_id	d1bxna1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.14 — RuBisCo, C-terminal domain
Family Family family	c.1.14.1 — RuBisCo, large subunit, C-terminal domain

Domain ID domain_id	d1bxna2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.9 — RuBisCO, large subunit, small (N-terminal) domain
Family Family family	d.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase

Domain ID domain_id	d1bxnc1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.14 — RuBisCo, C-terminal domain
Family Family family	c.1.14.1 — RuBisCo, large subunit, C-terminal domain

Domain ID domain_id	d1bxnc2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.9 — RuBisCO, large subunit, small (N-terminal) domain
Family Family family	d.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase

Domain ID domain_id	d1bxne1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.14 — RuBisCo, C-terminal domain
Family Family family	c.1.14.1 — RuBisCo, large subunit, C-terminal domain

Domain ID domain_id	d1bxne2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.9 — RuBisCO, large subunit, small (N-terminal) domain
Family Family family	d.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase

Domain ID domain_id	d1bxng1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.14 — RuBisCo, C-terminal domain
Family Family family	c.1.14.1 — RuBisCo, large subunit, C-terminal domain

Domain ID domain_id	d1bxng2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.9 — RuBisCO, large subunit, small (N-terminal) domain
Family Family family	d.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase

Domain ID domain_id	d1bxni_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.73 — RuBisCO, small subunit
Superfamily Superfamily superfamily	d.73.1 — RuBisCO, small subunit
Family Family family	d.73.1.1 — RuBisCO, small subunit

Domain ID domain_id	d1bxnj_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.73 — RuBisCO, small subunit
Superfamily Superfamily superfamily	d.73.1 — RuBisCO, small subunit
Family Family family	d.73.1.1 — RuBisCO, small subunit

Domain ID domain_id	d1bxnk_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.73 — RuBisCO, small subunit
Superfamily Superfamily superfamily	d.73.1 — RuBisCO, small subunit
Family Family family	d.73.1.1 — RuBisCO, small subunit

Domain ID domain_id	d1bxnl_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.73 — RuBisCO, small subunit
Superfamily Superfamily superfamily	d.73.1 — RuBisCO, small subunit
Family Family family	d.73.1.1 — RuBisCO, small subunit

CATH v4.4 (12 domains)

Domain ID domain_id	1bxnA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	150 — RuBisCO large subunit, N-terminal domain

Domain ID domain_id	1bxnA02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain

Domain ID domain_id	1bxnC01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	150 — RuBisCO large subunit, N-terminal domain

Domain ID domain_id	1bxnC02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain

Domain ID domain_id	1bxnE01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	150 — RuBisCO large subunit, N-terminal domain

Domain ID domain_id	1bxnE02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain

Domain ID domain_id	1bxnG01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	150 — RuBisCO large subunit, N-terminal domain

Domain ID domain_id	1bxnG02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain

Domain ID domain_id	1bxnI00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily	10 — Ribulose bisphosphate carboxylase, small subunit

Domain ID domain_id	1bxnJ00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily	10 — Ribulose bisphosphate carboxylase, small subunit

Domain ID domain_id	1bxnK00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily	10 — Ribulose bisphosphate carboxylase, small subunit

Domain ID domain_id	1bxnL00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily	10 — Ribulose bisphosphate carboxylase, small subunit

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8. Citations (2)

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Unit-cell length a length_a	112.000 Å
Unit-cell length b length_b	112.000 Å
Unit-cell length c length_c	402.700 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	32

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2660
R_work r_work	0.2660
R_free r_free	0.3220

fit	/app/data/saxs_computation/bx/1bxn/1bxn.fit
pddf	/app/data/pr_computation/bx/1bxn/1bxn.pr.out
profile	/app/data/saxs_computation/bx/1bxn/1bxn.dat

THE CRYSTAL STRUCTURE OF RUBISCO FROM ALCALIGENES EUTROPHUS TO 2.7 ANGSTROMS.

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

Assembly Composition of the Current Entry

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 non-polymer

7. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

CATH v4.4 (12 domains)

8. Citations (2)

9. Files and Curves (10)

Files (7)

Curves (3)