SAXSdb — 9rld

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

Lipoprotein-releasing system transmembrane protein LolC

Escherichia coli K-12

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 5	Lipoprotein-releasing system transmembrane protein LolE × 1 （P75958） Lipoprotein-releasing system ATP-binding protein LolD × 2 （P75957） Major outer membrane lipoprotein Lpp × 1 （P69776） PALMITIC ACID × 1 (2S)-3-hydroxypropane-1,2-diyl dihexadecanoate × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LOLC_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain C； PDBConstruct 1–399； UniProt 1–399

Lipoprotein-releasing system transmembrane protein LolE

Escherichia coli K-12

UniProt P75958

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 5	Lipoprotein-releasing system transmembrane protein LolC × 1 （P0ADC3） Lipoprotein-releasing system ATP-binding protein LolD × 2 （P75957） Major outer membrane lipoprotein Lpp × 1 （P69776） PALMITIC ACID × 1 (2S)-3-hydroxypropane-1,2-diyl dihexadecanoate × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LOLE_ECOLI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain E； PDBConstruct 1–414； UniProt 1–414

Lipoprotein-releasing system ATP-binding protein LolD

Escherichia coli K-12

UniProt P75957

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 5	Lipoprotein-releasing system transmembrane protein LolC × 1 （P0ADC3） Lipoprotein-releasing system transmembrane protein LolE × 1 （P75958） Major outer membrane lipoprotein Lpp × 1 （P69776） PALMITIC ACID × 1 (2S)-3-hydroxypropane-1,2-diyl dihexadecanoate × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LOLD_ECOLI
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain D； PDBConstruct 1–233； UniProt 1–233 Author chain F； PDBConstruct 1–233； UniProt 1–233

Major outer membrane lipoprotein Lpp

Escherichia coli K-12

UniProt P69776

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 5	Lipoprotein-releasing system transmembrane protein LolC × 1 （P0ADC3） Lipoprotein-releasing system transmembrane protein LolE × 1 （P75958） Lipoprotein-releasing system ATP-binding protein LolD × 2 （P75957） PALMITIC ACID × 1 (2S)-3-hydroxypropane-1,2-diyl dihexadecanoate × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LPP_ECOLI
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain L； PDBConstruct 1–57； UniProt 21–77

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	9rld
Deposition date deposition_date	2025-06-16
Structure title title	LolCDE complex with Lpp lipoprotein
Keywords keywords	Gram-negative, envelope biogenesis, outer membrane protein, PROTEIN TRANSPORT; PROTEIN TRANSPORT
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.

9rld__assembly_1__model_1

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

Download this curve (.dat)

9rld__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9rld__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	45.75 Å
Rg (electron density)	45.23 Å
Total Rg	45.22 Å
Atom count	9844
Residues	1279
Excluded volume	177510 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9rld__assembly_1__model_1`	pentameric （5）	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	Lipoprotein-releasing system transmembrane protein LolC
Molecular weight formula_weight	43295.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C
Atom count atom_count	9844

MYQPVALFIGLRYMRGRAADRFGRFVSWLSTIGITLGVMALVTVLSVMNGFERELQNNILGLMPQAILSSEHGSLNPQQLPETAVKLDGVNRVAPITTGDVVLQSARSVAVGVMLGIDPAQKDPLTPYLVNVKQTDLEPGKYNVILGEQLASQLGVNRGDQIRVMVPSASQFTPMGRIPSQRLFNVIGTFAANSEVDGYEMLVNIEDASRLMRYPAGNITGWRLWLDEPLKVDSLSQQKLPEGSKWQDWRDRKGELFQAVRMEKNMMGLLLSLIVAVAAFNIITSLGLMVMEKQGEVAILQTQGLTPRQIMMVFMVQGASAGIIGAILGAALGALLASQLNNLMPIIGVLLDGAALPVAIEPLQVIVIALVAMAIALLSTLYPSWRAAATQPAEALRYE

Source Source

Source organism organism	Escherichia coli K-12
NCBI taxonomy ID ncbi_taxonomy_id	83333
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	Lipoprotein-releasing system transmembrane protein LolE
Molecular weight formula_weight	45386.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MAMPLSLLIGLRFSRGRRRGGMVSLISVISTIGIALGVAVLIVGLSAMNGFERELNNRILAVVPHGEIEAVDQPWTNWQEALDHVQKVPGIAAAAPYINFTGLVESGANLRAIQVKGVNPQQEQRLSALPSFVQGDAWRNFKAGEQQIIIGKGVADALKVKQGDWVSIMIPNSNPEHKLMQPKRVRLHVAGILQLSGQLDHSFAMIPLADAQQYLDMGSSVSGIALKMTDVFNANKLVRDAGEVTNSYVYIKSWIGTYGYMYRDIQMIRAIMYLAMVLVIGVACFNIVSTLVMAVKDKSGDIAVLRTLGAKDGLIRAIFVWYGLLAGLFGSLCGVIIGVVVSLQLTPIIEWIEKLIGHQFLSSDIYFIDFLPSELHWLDVFYVLVTALLLSLLASWYPARRASNIDPARVLSGQ

Source Source

Source organism organism	Escherichia coli K-12
NCBI taxonomy ID ncbi_taxonomy_id	83333
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 3 Entity 3 polymer

Description description	Lipoprotein-releasing system ATP-binding protein LolD
Molecular weight formula_weight	26306.2 kDa
EC 编号 ec_number	7.6.2.-
Mutation mutation	C-terminal His tag (GSHHHHHH)
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

MNKILLQCDNLCKRYQEGSVQTDVLHNVSFSVGEGEMMAIVGSSGSGKSTLLHLLGGLDTPTSGDVIFNGQPMSKLSSAAKAELRNQKLGFIYQFHHLLPDFTALENVAMPLLIGKKKPAEINSRALEMLKAVGLDHRANHRPSELSGGERQRVAIARALVNNPRLVLADEPTGNLDARNADSIFQLLGELNRLQGTAFLVVTHDLQLAKRMSRQLEMRDGRLTAELSLMGAEGSHHHHH

Source Source

Source organism organism	Escherichia coli K-12
NCBI taxonomy ID ncbi_taxonomy_id	83333
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 4 Entity 4 polymer

Description description	Major outer membrane lipoprotein Lpp
Molecular weight formula_weight	7707.4 kDa
Mutation mutation	DeltaK58 and linker-strep II tag (LESAWSHPQF)EK
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

CSSNAKIDQLSSDVQTLNAKVDQLSNDVNAMRSDVQAAKDDAARANQRLDNMATKYRLESAWSHPQFEK

Source Source

Source organism organism	Escherichia coli K-12
NCBI taxonomy ID ncbi_taxonomy_id	83333
Host organism host_organism	Escherichia coli BL21(DE3)

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 non-polymer

Description description	(2S)-3-hydroxypropane-1,2-diyl dihexadecanoate
Molecular weight formula_weight	568.9 kDa
Source method src_method	syn
Copy count entity_count	1

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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	triclinic

Resolution resolution	3.00 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	303770

LolCDE complex with Lpp lipoprotein

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

Lipoprotein-releasing system transmembrane protein LolC

State in the Current Structure

Other States of the Same Protein in the Database

Lipoprotein-releasing system transmembrane protein LolE

State in the Current Structure

Other States of the Same Protein in the Database

Lipoprotein-releasing system ATP-binding protein LolD

State in the Current Structure

Other States of the Same Protein in the Database

Major outer membrane lipoprotein Lpp

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

9rld__assembly_1__model_1

9rld__assembly_1__model_1 | I(q)

9rld__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

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 non-polymer

7. Citations (1)

LolCDE complex with Lpp lipoprotein

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

Lipoprotein-releasing system transmembrane protein LolC

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Lipoprotein-releasing system transmembrane protein LolE

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Lipoprotein-releasing system ATP-binding protein LolD

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Major outer membrane lipoprotein Lpp

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

9rld__assembly_1__model_1

9rld__assembly_1__model_1 | I(q)

9rld__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

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 non-polymer

7. Citations (1)