7S7I | pdb_00007s7i

Crystal structure of Fab in complex with MICA alpha3 domain

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
R [auth Z]	Gp23	e7s7iZ1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
O [auth X]	Gp23	e7s7iX1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
L [auth V]	Gp23	e7s7iV1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
I [auth N]	Gp23	e7s7iN1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
F [auth M]	Gp23	e7s7iM1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
C [auth L]	Gp23	e7s7iL1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
Q [auth Y]	Gp23	e7s7iY1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
N [auth W]	Ribosomal_S28e	e7s7iW1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Ribosomal_S28e	ECOD (v294.1)
K [auth U]	Gp23	e7s7iU1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
H [auth J]	Gp23	e7s7iJ1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
E [auth I]	Gp23	e7s7iI1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
B [auth H]	Gp23	e7s7iH1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
P [auth F]	Gp23	e7s7iF1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
M [auth E]	Gp23	e7s7iE1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
J [auth D]	Gp23	e7s7iD1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
G [auth C]	Gp23	e7s7iC1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)
D [auth B]	Ribosomal_S28e	e7s7iB1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Ribosomal_S28e	ECOD (v294.1)
A	Gp23	e7s7iA1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: Gp23	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
R [auth Z]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
O [auth X]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
L [auth V]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
I [auth N]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
F [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
Q [auth Y]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
N [auth W]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
K [auth U]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
H [auth J]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
E [auth I]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L], F [auth M], I [auth N], L [auth V], O [auth X], C [auth L], F [auth M], I [auth N], L [auth V], O [auth X], R [auth Z]	Light Chain	IGKV3	Kappa	mhc class i chain-related protein a	SAbDab (2026-03-27)
B [auth H], E [auth I], H [auth J], K [auth U], N [auth W], B [auth H], E [auth I], H [auth J], K [auth U], N [auth W], Q [auth Y]	Heavy Chain	IGHV3	-	mhc class i chain-related protein a	SAbDab (2026-03-27)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L], F [auth M], I [auth N], L [auth V], O [auth X], C [auth L], F [auth M], I [auth N], L [auth V], O [auth X], R [auth Z]	Fab light chain	-	-	-
B [auth H], E [auth I], H [auth J], K [auth U], N [auth W], B [auth H], E [auth I], H [auth J], K [auth U], N [auth W], Q [auth Y]	Fab heavy chain	-	-	-
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	MHC class I chain-related protein A	natural killer cell lectin-like receptor binding protein binding binding signaling receptor binding	multicellular organismal process gamma-delta T cell activation T cell activation immune system process cell activation cellular process lymphocyte activation leukocyte activation biological process involved in interspecies interaction between organisms disruption of cell in another organism disruption of anatomical structure in another organism killing of cells of another organism cell killing regulation of biological process multicellular organismal process gamma-delta T cell activation T cell activation immune system process cell activation cellular process lymphocyte activation leukocyte activation biological process involved in interspecies interaction between organisms disruption of cell in another organism disruption of anatomical structure in another organism killing of cells of another organism cell killing regulation of biological process response to stimulus regulation of response to stimulus immune response biological regulation regulation of immune response regulation of immune system process regulation of defense response negative regulation of response to stimulus defense response negative regulation of biological process regulation of response to stress response to stress negative regulation of defense response response to heat response to abiotic stimulus response to temperature stimulus	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	IPR050208	Antigen-presenting and immune regulatory MHC class I-related	Family
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	IPR003597	Immunoglobulin C1-set	Domain
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	IPR011161	MHC class I-like antigen recognition-like	Domain
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D], M [auth E], A, D [auth B], G [auth C], J [auth D], M [auth E], P [auth F]	IPR007110	Immunoglobulin-like domain	Domain

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.