Warning
You are using a web browser that we do not support. Our website will not work properly. Please update to a newer version or download a new web browser, such as Chrome or Firefox.
Help
Contact us
Toggle navigation
RCSB PDB
Deposit
Prepare Data
PDBx/mmCIF file
pdb_extract
SF-Tool
Ligand Expo
MAXIT
Validate Data
Validation Server
Validation API
Information for Journals
Validation Task Forces
Deposit Data
wwPDB OneDep System
PDB-IHM
Help and Resources
Deposit FAQ
Validation FAQ
Tutorials
Annotation Policies
Processing Procedures
PDBx/mmCIF Dictionary
PDBx/mmCIF User Guide
Chemical Component Dictionary
Biologically Interesting Molecule Reference Dictionary (BIRD)
BioSync/Beamlines/Facilities
Related Tools
Search
Advanced Search
Sequence Similarity Search
3D Similarity Search
Chemical Similarity Search
Browse by Annotations
New Entries
Unreleased Entries
PDB Statistics
Visualize
Mol* (MolStar)
Sequence Annotations Viewer
Genome View
Analyze
Pairwise Structure Alignment
Symmetry Resources in the PDB
Structure Quality
Grouping Structures
PDB Citation MeSH Network Explorer
PDB Statistics
EPPIC Biological Assemblies
External Data and Resources
Integrated Resources
Additional Resources
Download
Coordinates and Experimental Data
Sequences
Ligands
File Download Services
Web APIs
Learn
Training Courses
Guide to PDB Data
Molecule of the Month
Educational Resources
Curricula
Browse
News
SciArt Galleries
Irving Geis
David Goodsell
About
Contact Us
About RCSB PDB
Vision and Mission
Citation, Usage, Privacy Policies, Logo
News
PDB History
PDB50
User Community
Publications
RCSB PDB Advisory Committee
Team Members
Service Status
Careers
COVID-19
247,287
Structures from the PDB archive
1,068,577
Computed Structure Models (CSM)
Navigation Tabs
Structure Summary
Structure
Annotations
Experiment
Sequence
Genome
Versions
Display Files
FASTA Sequence
mmCIF Format
mmCIF Format (Header)
Legacy PDB Format
Legacy PDB Format (Header)
Download Files
FASTA Sequence
PDBx/mmCIF Format
PDBx/mmCIF Format (gz)
BinaryCIF Format (gz)
Legacy PDB Format
Legacy PDB Format (gz)
PDBML/XML Format (gz)
EM Map EMD-15903 (map - gz)
Validation Full (PDF - gz)
Validation (XML - gz)
Validation (CIF - gz)
Biological Assembly 1 (CIF - gz)
Biological Assembly 1 (PDB - gz)
Data API
8B7V
|
pdb_00008b7v
Automated simulation-based refinement of maltoporin into a cryo-EM density
External Resource: Annotation
Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM
Domain Annotation: SCOP2 Classification
SCOP2 Database Homepage
Chains
Type
Family Name
Domain Identifier
Family Identifier
Provenance Source (Version)
C
SCOP2B Superfamily
Porins
8037890
3000224
SCOP2B (2022-06-29)
B
SCOP2B Superfamily
Porins
8037890
3000224
SCOP2B (2022-06-29)
A
SCOP2B Superfamily
Porins
8037890
3000224
SCOP2B (2022-06-29)
Protein Family Annotation
Pfam Database Homepage
Chains
Accession
Name
Description
Comments
Source
A
,
B
,
C
PF02264
LamB porin (LamB)
LamB porin
Maltoporin (LamB protein) forms a trimeric structure which facilitates the diffusion of maltodextrins across the outer membrane of Gram-negative bacteria. The membrane channel is formed by an antiparallel beta-barrel [1].
Domain
Gene Ontology: Gene Product Annotation
Gene Ontology Database Homepage
Chains
Polymer
Molecular Function
Biological Process
Cellular Component
A
,
B
,
C
Maltoporin
disaccharide transmembrane transporter activity
oligosaccharide transmembrane transporter activity
transporter activity
carbohydrate transmembrane transporter activity
maltose transmembrane transporter activity
transmembrane transporter activity
protein binding
binding
virus receptor activity
exogenous protein binding
wide pore channel activity
passive transmembrane transporter activity
channel activity
porin activity
disaccharide transmembrane transporter activity
oligosaccharide transmembrane transporter activity
transporter activity
carbohydrate transmembrane transporter activity
maltose transmembrane transporter activity
transmembrane transporter activity
protein binding
binding
virus receptor activity
exogenous protein binding
wide pore channel activity
passive transmembrane transporter activity
channel activity
porin activity
macromolecule transmembrane transporter activity
maltodextrin transmembrane transporter activity
dextrin transmembrane transporter activity
polysaccharide transmembrane transporter activity
maltose transporting porin activity
Less
cellular response to stimulus
cellular response to stress
response to stimulus
DNA damage response
response to stress
cellular process
maltose transmembrane transport
transport
carbohydrate transport
oligosaccharide transport
establishment of localization
transmembrane transport
localization
disaccharide transport
cellular response to stimulus
cellular response to stress
response to stimulus
DNA damage response
response to stress
cellular process
maltose transmembrane transport
transport
carbohydrate transport
oligosaccharide transport
establishment of localization
transmembrane transport
localization
disaccharide transport
carbohydrate transmembrane transport
maltose transport
polysaccharide localization
dextrin transport
macromolecule localization
maltodextrin transmembrane transport
polysaccharide transport
monoatomic ion transport
Less
protein-containing complex
cellular anatomical structure
outer membrane protein complex
membrane
membrane protein complex
pore complex
cell periphery
cell outer membrane
external encapsulating structure
cell envelope
outer membrane
InterPro: Protein Family Classification
InterPro Database Homepage
Chains
Accession
Name
Type
A
,
B
,
C
IPR050286
Gram-negative Bacterial Carbohydrate Uptake Porin
Family
A
,
B
,
C
IPR003192
Porin, LamB-type
Family
A
,
B
,
C
IPR023738
Maltoporin
Family
A
,
B
,
C
IPR036998
Porin, LamB-type superfamily
Homologous Superfamily
Membrane Protein Annotation: PDBTM
PDBTM Database Homepage
Chains
External Link
Comment
A
,
B
,
C
PDBTM
Annotated as membrane protein by PDBTM
About
About Us
Citing Us
Publications
Team
Careers
Usage & Privacy
Support
Contact Us
Help
Website FAQ
Glossary
Service Status
RCSB PDB is hosted by
RCSB PDB is a member of
RCSB Partners
Nucleic Acid Knowledgebase
wwPDB Partners
RCSB PDB
PDBe
PDBj
BMRB
EMDB