7OMM | pdb_00007omm

Cryo-EM structure of N. gonorhoeae LptDE in complex with ProMacrobodies (MBPs have not been built de novo)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	LptE-like	8107535	4004725	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	TolB N-terminal domain-like	8107536	3000482	SCOP2 (2022-06-29)
C	SCOP2 Family	Phosphate binding protein-like	8107365	4000229	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Type 2 solute binding protein-like	8107366	3000083	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Type 2 solute binding protein-like	8058187	3000083	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Type 2 solute binding protein-like	8058187	3000083	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	OstA_C	e7ommA1	A: beta barrels	X: Outer membrane meander beta-barrels	H: LPS-assembly protein LptD (From Topology)	T: LPS-assembly protein LptD	F: OstA_C	ECOD (1.6)
A	OstA	e7ommA2	A: beta meanders	X: Periplasmic lipopolysaccharide transport protein LptA (YhbN) (From Topology)	H: Periplasmic lipopolysaccharide transport protein LptA (YhbN) (From Topology)	T: Periplasmic lipopolysaccharide transport protein LptA (YhbN)	F: OstA	ECOD (1.6)
B	LptE	e7ommB1	A: a/b three-layered sandwiches	X: TolB, N-terminal domain (From Topology)	H: TolB, N-terminal domain (From Topology)	T: TolB, N-terminal domain	F: LptE	ECOD (1.6)
C	V-set_10	e7ommC2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_10	ECOD (1.6)
C	SBP_bac_1_C,SBP_bac_1_N_2	e7ommC1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_C,SBP_bac_1_N_2	ECOD (1.6)
D	V-set_1	e7ommD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_1	ECOD (1.6)
D	SBP_bac_1_C,SBP_bac_1_N_2	e7ommD1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_C,SBP_bac_1_N_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (utative)
D	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C	Heavy Chain	IGHV1	-	lps-assembly protein lptd \| lps-assembly lipoprotein lpte	SAbDab (2025-08-29)
D	Heavy Chain	IGHV1	-	lps-assembly protein lptd	SAbDab (2025-08-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF04453	LPS transport system D (LptD)	LPS transport system D	-	Family
C	PF01547	Bacterial extracellular solute-binding protein (SBP_bac_1)	Bacterial extracellular solute-binding protein	-	Family
D	PF01547	Bacterial extracellular solute-binding protein (SBP_bac_1)	Bacterial extracellular solute-binding protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	LPS-assembly protein LptD	-	membrane organization membrane biogenesis membrane assembly cellular component organization cellular component biogenesis cellular component assembly cellular process cellular component organization or biogenesis cell envelope organization Gram-negative-bacterium-type cell outer membrane assembly external encapsulating structure organization localization transport lipopolysaccharide transport membrane organization membrane biogenesis membrane assembly cellular component organization cellular component biogenesis cellular component assembly cellular process cellular component organization or biogenesis cell envelope organization Gram-negative-bacterium-type cell outer membrane assembly external encapsulating structure organization localization transport lipopolysaccharide transport macromolecule localization lipid localization lipid transport carbohydrate derivative transport establishment of localization	protein-containing complex transporter complex cell periphery cell outer membrane cellular anatomical structure external encapsulating structure membrane cell envelope outer membrane
B	LPS-assembly lipoprotein LptE	-	membrane organization membrane biogenesis membrane assembly cellular component organization cellular component biogenesis cellular component assembly cellular process cellular component organization or biogenesis cell envelope organization Gram-negative-bacterium-type cell outer membrane assembly external encapsulating structure organization	protein-containing complex transporter complex cell periphery cell outer membrane cellular anatomical structure external encapsulating structure membrane cell envelope outer membrane
C	ProMacrobody 21,Maltodextrin-binding protein	transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity oligosaccharide binding binding disaccharide binding carbohydrate binding maltose binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cell chemotaxis chemotaxis response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration cell motility cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cell chemotaxis chemotaxis response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration cell motility locomotion localization transport carbohydrate transport oligosaccharide transport disaccharide transport establishment of localization maltose transport polysaccharide localization dextrin transport macromolecule localization maltodextrin transmembrane transport polysaccharide transport response to disaccharide response to oxygen-containing compound detection of maltose stimulus detection of stimulus response to carbohydrate detection of chemical stimulus detection of disaccharide stimulus response to maltose detection of carbohydrate stimulus	ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing maltose transport complex periplasmic space ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing maltose transport complex periplasmic space outer membrane-bounded periplasmic space cell envelope
D	ProMacrobody 51,Maltodextrin-binding protein	transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity oligosaccharide binding binding disaccharide binding carbohydrate binding maltose binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cell chemotaxis chemotaxis response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration cell motility cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cell chemotaxis chemotaxis response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration cell motility locomotion localization transport carbohydrate transport oligosaccharide transport disaccharide transport establishment of localization maltose transport polysaccharide localization dextrin transport macromolecule localization maltodextrin transmembrane transport polysaccharide transport response to disaccharide response to oxygen-containing compound detection of maltose stimulus detection of stimulus response to carbohydrate detection of chemical stimulus detection of disaccharide stimulus response to maltose detection of carbohydrate stimulus	ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing maltose transport complex periplasmic space ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing maltose transport complex periplasmic space outer membrane-bounded periplasmic space cell envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR007543	LptD, C-terminal	Domain
A	IPR020889	LPS-assembly protein LptD	Family
A	IPR050218	Lipopolysaccharide Assembly Protein LptD	Family
B	IPR007485	LPS-assembly lipoprotein LptE	Family
C	IPR006061	Solute-binding family 1, conserved site	Conserved Site
C	IPR006060	Maltose/Cyclodextrin ABC transporter, substrate-binding protein	Family
C	IPR006059	Bacterial-type extracellular solute-binding protein	Family
D	IPR006061	Solute-binding family 1, conserved site	Conserved Site
D	IPR006060	Maltose/Cyclodextrin ABC transporter, substrate-binding protein	Family
D	IPR006059	Bacterial-type extracellular solute-binding protein	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D	OPM	Transmembrane	Beta-barrel transmembrane	LPS assembly protein family (n=26, S=30)	LPS assembly protein family (n=26, S=30)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: BETA-BARREL	Lipopolysaccharide (LPS) Transport Proteins	LptD-LptE lipopolysaccharide transport complex, in complex with ProMacrobodies

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.