1lgh

CRYSTAL STRUCTURE OF THE LIGHT-HARVESTING COMPLEX II (B800-850) FROM RHODOSPIRILLUM MOLISCHIANUM

Method: X-RAY DIFFRACTION

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

LIGHT HARVESTING COMPLEX II

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	LIGHT HARVESTING COMPLEX II × 8 （P95673） BACTERIOCHLOROPHYLL A × 24 LYCOPENE × 8 UNDECYLAMINE-N,N-DIMETHYL-N-OXIDE × 24 HEPTANE-1,2,3-TRIOL × 52 water × 16	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 16	LIGHT HARVESTING COMPLEX II × 8 （P95673） BACTERIOCHLOROPHYLL A × 24 LYCOPENE × 8 UNDECYLAMINE-N,N-DIMETHYL-N-OXIDE × 24 HEPTANE-1,2,3-TRIOL × 44 water × 16	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LHA_RHOMO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； 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 J； PDBConstruct 1–56； UniProt 1–56

LIGHT HARVESTING COMPLEX II

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 16	LIGHT HARVESTING COMPLEX II × 8 （P97253） BACTERIOCHLOROPHYLL A × 24 LYCOPENE × 8 UNDECYLAMINE-N,N-DIMETHYL-N-OXIDE × 24 HEPTANE-1,2,3-TRIOL × 52 water × 16	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 16	LIGHT HARVESTING COMPLEX II × 8 （P97253） BACTERIOCHLOROPHYLL A × 24 LYCOPENE × 8 UNDECYLAMINE-N,N-DIMETHYL-N-OXIDE × 24 HEPTANE-1,2,3-TRIOL × 44 water × 16	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LHB1_RHOMO
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 H； PDBConstruct 1–45； UniProt 1–45 Author chain K； PDBConstruct 1–45； UniProt 1–45

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	1lgh
Deposition date deposition_date	1996-03-20
Structure title title	CRYSTAL STRUCTURE OF THE LIGHT-HARVESTING COMPLEX II (B800-850) FROM RHODOSPIRILLUM MOLISCHIANUM
Keywords keywords	;LIGHT HARVESTING COMPLEX, BACTERIOCHLOROPHYLL, DEXTER ENERGY TRANSFER, FOERSTER EXCITON TRANSFER MECHANISM, MEMBRANE PROTEIN, PHOTOSYNTHESIS ;; LIGHT HARVESTING COMPLEX
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.

1lgh__assembly_1__model_1

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

Download this curve (.dat)

1lgh__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1lgh__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.70 Å
Rg (electron density)	29.13 Å
Total Rg	30.50 Å
Atom count	10544
Residues	792
Excluded volume	171790 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1lgh__assembly_1__model_1`	hexadecameric （16）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1lgh__assembly_2__model_1`	hexadecameric （16）	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 (7)

Entity 1 Entity 1 polymer

Description description	LIGHT HARVESTING COMPLEX II
Molecular weight formula_weight	5945.0 kDa
Source method src_method	nat
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,D,G,J
Atom count atom_count	5436

SNPKDDYKIWLVINPSTWLPVIWIVATVVAIAVHAAVLAAPGFNWIALGAAKSAAK

Entity 2 Entity 2 polymer

Description description	LIGHT HARVESTING COMPLEX II
Molecular weight formula_weight	5120.9 kDa
Source method src_method	nat
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,E,H,K

AERSLSGLTEEEAIAVHDQFKTTFSAFIILAAVAHVLVWVWKPWF

Entity 3 Entity 3 non-polymer

Description description	BACTERIOCHLOROPHYLL A
Molecular weight formula_weight	911.5 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 4 Entity 4 non-polymer

Description description	LYCOPENE
Molecular weight formula_weight	536.9 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	UNDECYLAMINE-N,N-DIMETHYL-N-OXIDE
Molecular weight formula_weight	215.4 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 6 Entity 6 non-polymer

Description description	HEPTANE-1,2,3-TRIOL
Molecular weight formula_weight	148.2 kDa
Source method src_method	syn
Copy count entity_count	24

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	64

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d1lgha_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.3 — Light-harvesting complex subunits
Superfamily Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
Family Family family	f.3.1.1 — Light-harvesting complex subunits

Domain ID domain_id	d1lghb_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.3 — Light-harvesting complex subunits
Superfamily Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
Family Family family	f.3.1.1 — Light-harvesting complex subunits

Domain ID domain_id	d1lghd_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.3 — Light-harvesting complex subunits
Superfamily Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
Family Family family	f.3.1.1 — Light-harvesting complex subunits

Domain ID domain_id	d1lghe_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.3 — Light-harvesting complex subunits
Superfamily Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
Family Family family	f.3.1.1 — Light-harvesting complex subunits

Domain ID domain_id	d1lghg_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.3 — Light-harvesting complex subunits
Superfamily Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
Family Family family	f.3.1.1 — Light-harvesting complex subunits

Domain ID domain_id	d1lghh_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.3 — Light-harvesting complex subunits
Superfamily Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
Family Family family	f.3.1.1 — Light-harvesting complex subunits

Domain ID domain_id	d1lghj_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.3 — Light-harvesting complex subunits
Superfamily Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
Family Family family	f.3.1.1 — Light-harvesting complex subunits

Domain ID domain_id	d1lghk_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.3 — Light-harvesting complex subunits
Superfamily Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
Family Family family	f.3.1.1 — Light-harvesting complex subunits

CATH v4.4 (8 domains)

Domain ID domain_id	1lghA00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	220 — Light-harvesting Protein
Homologous superfamily homologous superfamily	20 — Light-harvesting complex

Domain ID domain_id	1lghB00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	250 —

Domain ID domain_id	1lghD00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	220 — Light-harvesting Protein
Homologous superfamily homologous superfamily	20 — Light-harvesting complex

Domain ID domain_id	1lghE00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	250 —

Domain ID domain_id	1lghG00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	220 — Light-harvesting Protein
Homologous superfamily homologous superfamily	20 — Light-harvesting complex

Domain ID domain_id	1lghH00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	250 —

Domain ID domain_id	1lghJ00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	220 — Light-harvesting Protein
Homologous superfamily homologous superfamily	20 — Light-harvesting complex

Domain ID domain_id	1lghK00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	250 —

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Unit-cell length a length_a	91.600 Å
Unit-cell length b length_b	91.600 Å
Unit-cell length c length_c	209.970 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 4 21 2
Space-group number int_tables_number	90
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.2110
R_work r_work	0.2110
R_free r_free	0.2320

CRYSTAL STRUCTURE OF THE LIGHT-HARVESTING COMPLEX II (B800-850) FROM RHODOSPIRILLUM MOLISCHIANUM

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

LIGHT HARVESTING COMPLEX II

State in the Current Structure

Other States of the Same Protein in the Database

LIGHT HARVESTING COMPLEX II

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

1lgh__assembly_1__model_1

1lgh__assembly_1__model_1 | I(q)

1lgh__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (2)

CRYSTAL STRUCTURE OF THE LIGHT-HARVESTING COMPLEX II (B800-850) FROM RHODOSPIRILLUM MOLISCHIANUM

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

LIGHT HARVESTING COMPLEX II

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 COMPLEX II

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

1lgh__assembly_1__model_1

1lgh__assembly_1__model_1 | I(q)

1lgh__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (2)