6AL0 | pdb_00006al0

The NZ-1 Fab complexed with the PDZ tandem fragment of A. aeolicus S2P homolog with the PA12 tag inserted between the residues 263 and 267

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C [auth H]	d6al0h_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
B [auth L]	d6al0l1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth H]	NTP_transf_2	e6al0H1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: NTP_transf_2	ECOD (develop294)
B [auth L]	EipB_like	e6al0L1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: EipB_like	ECOD (develop294)
A	NTP_transf_2	e6al0A1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: NTP_transf_2	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.30.42.10	Mainly Beta	Roll	Pdz3 Domain	PDZ domain	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
C [auth H]	Fab NZ-1	VH-CH1	Rattus norvegicus (Norway rat)	IGHV5S1401, IGHJ201, IGHG2A*01	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2A_LAMBDA	IMGT (202610-0)
B [auth L]	Fab NZ-1	L-LAMBDA	Rattus norvegicus (Norway rat)	IGLV3S201, IGLJ301, IGLC101, IGLC301	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-2A_LAMBDA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth H]	Heavy Chain	IGHV5	-	pdz tandem fragment with pa tag insertion	SAbDab (2026-03-20)
B [auth L]	Light Chain	IGLV3	Lambda	pdz tandem fragment with pa tag insertion	SAbDab (2026-03-20)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF17820	PDZ domain (PDZ_6)	PDZ domain	This entry represents the PDZ domain from a wide variety of proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth H]	Heavy chain of antigen binding fragment, Fab of NZ-1	-	-	-
B [auth L]	Light chain of antigen binding fragment, Fab of NZ-1	-	-	-
A	PDZ tandem fragment with PA tag insertion	peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity endopeptidase activity cation binding ion binding binding metal ion binding small molecule binding metalloendopeptidase activity metallopeptidase activity	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004387	Peptidase M50, putative membrane-associated zinc metallopeptidase	Family
A	IPR041489	PDZ domain 6	Domain
A	IPR008915	Peptidase M50	Domain
A	IPR001478	PDZ domain	Domain
A	IPR036034	PDZ superfamily	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B [auth L]	PCA	Parent Component: GLN RESID: AA0031 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420
A	SNN	Parent Component: ASN RESID: AA0031 , AA0302 , AA0593 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420 , L-aspartimide MOD:00307 , 2-(2-aminosuccinimidyl)pentanedioic acid (Asn) MOD:01940 , 2-(2-aminosuccinimidyl)pentanedioic acid (Asp) MOD:01941

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.