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Entry information

Complex
AACDB_ID: 6656
PDBID: 3PJS
Chains: DC_K
Organism: Mus musculus, Streptomyces lividans
Method: XRD
Resolution (Å): 3.80
Reference: 10.1073/pnas.1105112108
Antibody
Antibody: 2 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Voltage-gated potassium channel KcsA
Antigen mutation: Yes
Durg Target: P0A333; P0A334;

Sequence information

Antibody

Heavy Chain: D
Mutation: NULL

>3PJS_D|Chain B, D|FAB heavy chain|Mus musculus (10090)
EVQLVESGGGLVQPGGSLRLSCAASGFNISSYSIHWVRQAPGKGLEWVASISSYYSSTYYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARQPSYHMYSWWVALDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEP

Light Chain: C
Mutation: NULL

>3PJS_C|Chain A, C|FAB light chain|Mus musculus (10090)
DIQMTQSPSSLSASVGDRVTITCRASQDVNTAVAWYQQKPGKAPKLLIYSASFLESGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQYYSYSAPVTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGE

Antigen

Chain: K
Mutation: H31Q/R123Q/E126Q/R127Q/R128Q/G129Q/H130Q

>3PJS_K|Chain E[auth K], F[auth L], G[auth M], H[auth N]|Voltage-gated potassium channel|Streptomyces lividans (1916)
MHHHHHHPPMLSGLLARLVKLLLGRHGSALQWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGDLYPVTLWGRLVAVVVMVAGITSFGLVTAALATWFVGQEQQQQQQFVRHSEKAAEEAYTRTTRALHERFDRLERMLDDNRR

Interaction

1、Solvent accessible surface areas (SASA) were calculated (Naccess V2.1.1) for each residue in antibody and antigen, respectively. The residues with SASA loss in binding of more than 1Å2 were classified as interacting residues.

Interacting residues (ΔSASA based)

C: ASN30 THR31 TYR92 SER93 TYR94

D: SER52 TYR54 TYR55 SER56 SER57 TYR59 TYR102 HIS103 MET104 TYR105 TRP107 TRP108

K: ARG139 ARG142 HIS145 GLU146 ARG147 ASP149 ARG150 ARG153 MET154 ASP157 ASN158 ARG160

2、We defined interacting paratope-epitope residues by a distance cutoff of < 5Å . Two amino acids are considered as interacting residues if they have at least one atom within a distance of 5 Å from any atom.

Interacting residues (Atom distance based)

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