5DQ9 | pdb_00005dq9

Structure of S55-3 Fab in complex with Lipid A

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d5dq9b2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d5dq9b1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d5dq9d2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d5dq9d1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
F [auth L]	d5dq9l2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
F [auth L]	d5dq9l1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d5dq9a_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d5dq9c_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
E [auth H]	d5dq9h_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Como_SCP	e5dq9B1	A: a/b three-layered sandwiches	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F: Como_SCP	ECOD (v294.1)
D	Como_SCP	e5dq9D1	A: a/b three-layered sandwiches	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F: Como_SCP	ECOD (v294.1)
F [auth L]	Como_SCP	e5dq9L1	A: a/b three-layered sandwiches	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F: Como_SCP	ECOD (v294.1)
A	Como_SCP	e5dq9A1	A: a/b three-layered sandwiches	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F: Como_SCP	ECOD (v294.1)
C	Como_SCP	e5dq9C1	A: a/b three-layered sandwiches	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F: Como_SCP	ECOD (v294.1)
E [auth H]	Como_SCP	e5dq9H1	A: a/b three-layered sandwiches	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F: Como_SCP	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B, D, F [auth L]	S55-3 Fab	L-KAPPA	Mus musculus (house mouse)	IGKV3-501, IGKJ101, IGKJ201, IGKC01, IGKC*02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-2B_KAPPA	IMGT (202615-0)
A, C, E [auth H]	S55-3 Fab	VH-CH1	Mus musculus (house mouse)	IGHV5-6-101, IGHV5-601, IGHJ401, IGHG2B02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2B_KAPPA	IMGT (202615-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, D, F [auth L]	Light Chain	IGKV3	Kappa	2-(acetylamino)-6-O-[2-(acetylamino)-2-deoxy-4-O-phosphono-beta-D-glucopyranosyl]-2-deoxy-1-O-phosphono-alpha-D-glucopyranose	SAbDab (2026-04-24)
A, C, E [auth H]	Heavy Chain	IGHV5	-	2-(acetylamino)-6-O-[2-(acetylamino)-2-deoxy-4-O-phosphono-beta-D-glucopyranosyl]-2-deoxy-1-O-phosphono-alpha-D-glucopyranose	SAbDab (2026-04-24)

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.