SAXSdb — 8fb9

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

Light-harvesting protein B800-820 alpha chain

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 32	Light-harvesting protein B800-820 beta chain × 8 （Q7M158） Light-harvesting protein B-800/850 alpha chain × 8 （P97253） Light-harvesting protein B-800/850 beta 1 chain × 8 （P95673） BACTERIOCHLOROPHYLL A × 48 LYCOPENE × 16	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7M119_MAGML
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–56； UniProt 1–56 Author chain C； PDBConstruct 1–56； UniProt 1–56 Author chain D； PDBConstruct 1–56； UniProt 1–56 Author chain G； PDBConstruct 1–56； UniProt 1–56 Author chain I； PDBConstruct 1–56； UniProt 1–56 Author chain K； PDBConstruct 1–56； UniProt 1–56 Author chain c； PDBConstruct 1–56； UniProt 1–56 Author chain e； PDBConstruct 1–56； UniProt 1–56

Light-harvesting protein B800-820 beta chain

OrganismNot specified

UniProt Q7M158

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 32	Light-harvesting protein B800-820 alpha chain × 8 （Q7M119） Light-harvesting protein B-800/850 alpha chain × 8 （P97253） Light-harvesting protein B-800/850 beta 1 chain × 8 （P95673） BACTERIOCHLOROPHYLL A × 48 LYCOPENE × 16	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7M158_MAGML
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–45； UniProt 1–45 Author chain E； PDBConstruct 1–45； UniProt 1–45 Author chain F； PDBConstruct 1–45； UniProt 1–45 Author chain H； PDBConstruct 1–45； UniProt 1–45 Author chain J； PDBConstruct 1–45； UniProt 1–45 Author chain L； PDBConstruct 1–45； UniProt 1–45 Author chain d； PDBConstruct 1–45； UniProt 1–45 Author chain f； PDBConstruct 1–45； UniProt 1–45

Light-harvesting protein B-800/850 alpha chain

OrganismNot specified

UniProt P97253

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 32	Light-harvesting protein B800-820 alpha chain × 8 （Q7M119） Light-harvesting protein B800-820 beta chain × 8 （Q7M158） Light-harvesting protein B-800/850 beta 1 chain × 8 （P95673） BACTERIOCHLOROPHYLL A × 48 LYCOPENE × 16	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LHA_MAGML
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain M； PDBConstruct 1–56； UniProt 2–57 Author chain O； PDBConstruct 1–56； UniProt 2–57 Author chain Q； PDBConstruct 1–56； UniProt 2–57 Author chain S； PDBConstruct 1–56； UniProt 2–57 Author chain U； PDBConstruct 1–56； UniProt 2–57 Author chain W； PDBConstruct 1–56； UniProt 2–57 Author chain Y； PDBConstruct 1–56； UniProt 2–57 Author chain a； PDBConstruct 1–56； UniProt 2–57

Light-harvesting protein B-800/850 beta 1 chain

OrganismNot specified

UniProt P95673

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 32	Light-harvesting protein B800-820 alpha chain × 8 （Q7M119） Light-harvesting protein B800-820 beta chain × 8 （Q7M158） Light-harvesting protein B-800/850 alpha chain × 8 （P97253） BACTERIOCHLOROPHYLL A × 48 LYCOPENE × 16	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LHB1_MAGML
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain N； PDBConstruct 1–45； UniProt 2–46 Author chain P； PDBConstruct 1–45； UniProt 2–46 Author chain R； PDBConstruct 1–45； UniProt 2–46 Author chain T； PDBConstruct 1–45； UniProt 2–46 Author chain V； PDBConstruct 1–45； UniProt 2–46 Author chain X； PDBConstruct 1–45； UniProt 2–46 Author chain Z； PDBConstruct 1–45； UniProt 2–46 Author chain b； PDBConstruct 1–45； UniProt 2–46

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	8fb9
Deposition date deposition_date	2022-11-29
Structure title title	LH2-LH3 antenna in anti parallel configuration embedded in a nanodisc
Keywords keywords	antenna, membrane protein, nanodisc, bacteriochlorophyll, PHOTOSYNTHESIS; PHOTOSYNTHESIS
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.

8fb9__assembly_1__model_1

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

Download this curve (.dat)

8fb9__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8fb9__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	47.22 Å
Rg (electron density)	47.19 Å
Total Rg	47.44 Å
Atom count	9816
Residues	1584
Excluded volume	163700 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8fb9__assembly_1__model_1`	32-meric （32）	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	Light-harvesting protein B800-820 alpha chain
Molecular weight formula_weight	6088.1 kDa
Source method src_method	nat
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,D,C,G,I,K,c,e
Atom count atom_count	9816

SNPKDDYKIWLVINPSTWLPVIWIVALLTAIAVHSFVLSVPGYNFLASAAAKTAAK

Entity 2 Entity 2 polymer

Description description	Light-harvesting protein B800-820 beta chain
Molecular weight formula_weight	5120.9 kDa
Source method src_method	nat
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,E,F,H,J,L,d,f

AERSLSGLTEEEAVAVHDQFKTTFSAFILLAAVAHVLVWIWKPWF

Entity 3 Entity 3 polymer

Description description	Light-harvesting protein B-800/850 alpha chain
Molecular weight formula_weight	5945.0 kDa
Source method src_method	nat
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M,O,Q,S,U,W,Y,a

SNPKDDYKIWLVINPSTWLPVIWIVATVVAIAVHAAVLAAPGFNWIALGAAKSAAK

Entity 4 Entity 4 polymer

Description description	Light-harvesting protein B-800/850 beta 1 chain
Molecular weight formula_weight	5120.9 kDa
Source method src_method	nat
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N,P,R,T,V,X,Z,b

AERSLSGLTEEEAIAVHDQFKTTFSAFIILAAVAHVLVWVWKPWF

Entity 5 Entity 5 non-polymer

Description description	BACTERIOCHLOROPHYLL A
Molecular weight formula_weight	911.5 kDa
Source method src_method	syn
Copy count entity_count	48

Entity 6 Entity 6 non-polymer

Description description	LYCOPENE
Molecular weight formula_weight	536.9 kDa
Source method src_method	syn
Copy count entity_count	16

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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	6.40 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	63637

LH2-LH3 antenna in anti parallel configuration embedded in a nanodisc

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

Light-harvesting protein B800-820 alpha chain

State in the Current Structure

Other States of the Same Protein in the Database

Light-harvesting protein B800-820 beta chain

State in the Current Structure

Other States of the Same Protein in the Database

Light-harvesting protein B-800/850 alpha chain

State in the Current Structure

Other States of the Same Protein in the Database

Light-harvesting protein B-800/850 beta 1 chain

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

8fb9__assembly_1__model_1

8fb9__assembly_1__model_1 | I(q)

8fb9__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

7. Citations (1)

LH2-LH3 antenna in anti parallel configuration embedded in a nanodisc

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

Light-harvesting protein B800-820 alpha chain

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Light-harvesting protein B800-820 beta chain

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Light-harvesting protein B-800/850 alpha chain

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Light-harvesting protein B-800/850 beta 1 chain

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

8fb9__assembly_1__model_1

8fb9__assembly_1__model_1 | I(q)

8fb9__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

7. Citations (1)