RCSB PDB
Deposit
Deposit via OneDep
Prepare Files via pdb_extract
Validate Structures
PDBx/mmCIF Dictionary Resources
Other Deposition Resources
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
Help
Contact us
256,006
Structures from the PDB archive
1,062,058
Computed Structure Models (CSM)
☰
Navigation Tabs
Structure Summary
Structure
Annotations
Experiment
Sequence
Genome
Versions
9YRB
|
pdb_00009yrb
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-73364 (map - gz)
Validation Full (PDF - gz)
Validation (XML - gz)
Validation (CIF - gz)
Biological Assembly 1 (CIF - gz)
Biological Assembly 1 (PDB - gz)
Data API
Factor XIa in complex with Fab fragment of REGN7508-Cat
External Resource: Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Gene Ontology: Gene Product Annotation
Gene Ontology Database Homepage
Chains
Polymer
Molecular Function
Biological Process
Cellular Component
A [auth H]
,
D [auth F]
REGN7508 Fab Heavy Chain
-
-
-
B [auth L]
,
E
REGN7508 Light Chain
-
-
-
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
Coagulation factor XI
serine-type exopeptidase activity
peptidase activity
serine-type aminopeptidase activity
catalytic activity, acting on a protein
serine hydrolase activity
serine-type peptidase activity
aminopeptidase activity
hydrolase activity
exopeptidase activity
catalytic activity
serine-type endopeptidase activity
endopeptidase activity
heparin binding
glycosaminoglycan binding
serine-type exopeptidase activity
peptidase activity
serine-type aminopeptidase activity
catalytic activity, acting on a protein
serine hydrolase activity
serine-type peptidase activity
aminopeptidase activity
hydrolase activity
exopeptidase activity
catalytic activity
serine-type endopeptidase activity
endopeptidase activity
heparin binding
glycosaminoglycan binding
binding
carbohydrate derivative binding
sulfur compound binding
identical protein binding
protein binding
Less
multicellular organismal process
regulation of body fluid levels
wound healing
response to stimulus
hemostasis
biological regulation
blood coagulation
response to stress
coagulation
regulation of biological quality
response to wounding
regulation of response to external stimulus
negative regulation of biological process
positive regulation of biological process
multicellular organismal process
regulation of body fluid levels
wound healing
response to stimulus
hemostasis
biological regulation
blood coagulation
response to stress
coagulation
regulation of biological quality
response to wounding
regulation of response to external stimulus
negative regulation of biological process
positive regulation of biological process
regulation of response to wounding
regulation of coagulation
regulation of response to stress
regulation of multicellular organismal process
regulation of hemostasis
regulation of biological process
negative regulation of response to stimulus
negative regulation of wound healing
regulation of blood coagulation
negative regulation of blood coagulation
response to external stimulus
negative regulation of response to wounding
positive regulation of fibrinolysis
negative regulation of hemostasis
fibrinolysis
negative regulation of coagulation
regulation of fibrinolysis
regulation of response to stimulus
negative regulation of response to external stimulus
regulation of wound healing
negative regulation of multicellular organismal process
zymogen activation
primary metabolic process
gene expression
macromolecule biosynthetic process
protein maturation
biosynthetic process
proteolysis
protein processing
metabolic process
cellular process
protein metabolic process
macromolecule metabolic process
plasminogen activation
Less
cellular anatomical structure
membrane
extracellular region
extracellular exosome
membrane-bounded organelle
extracellular vesicle
extracellular organelle
organelle
vesicle
extracellular membrane-bounded organelle
cell periphery
plasma membrane
InterPro: Protein Family Classification
InterPro Database Homepage
Chains
Accession
Name
Type
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
IPR000177
Apple domain
Domain
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
IPR009003
Peptidase S1, PA clan
Homologous Superfamily
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
IPR001314
Peptidase S1A, chymotrypsin family
Family
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
IPR033116
Serine proteases, trypsin family, serine active site
Active Site
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
IPR001254
Serine proteases, trypsin domain
Domain
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
IPR018114
Serine protease-like, trypsin family, histidine active site
Active Site
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
IPR003609
PAN/Apple domain
Domain
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
IPR043504
Peptidase_S1_PA_chymotrypsin
Unknown
Pharos: Disease Associations
Pharos Homepage Annotation
Chains
Drug Target  
Associated Disease
C [auth A]
,
F [auth C]
,
G [auth B]
,
H [auth D]
Pharos
: 
P03951
congenital factor XI deficiency
hypertensive disorder
cerebrovascular disorder
lung carcinoma
pancreatic ductal adenocarcinoma
pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia
lung adenocarcinoma
malignant pancreatic neoplasm
pancreatic intraductal papillary-mucinous carcinoma
thrombotic disease
factor XI deficiency
lung cancer
non-small cell lung carcinoma
pancreatic intraductal papillary-mucinous neoplasm
vascular disease
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