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7FAB

CRYSTAL STRUCTURE OF HUMAN IMMUNOGLOBULIN FRAGMENT FAB NEW REFINED AT 2.0 ANGSTROMS RESOLUTION

Replaces:  3FABReplaces:  1FABReplaces:  2FAB
Functional Information from GO Data
ChainGOidnamespacecontents
H0002250biological_processadaptive immune response
H0002376biological_processimmune system process
H0003823molecular_functionantigen binding
H0005576cellular_componentextracellular region
H0005886cellular_componentplasma membrane
H0006955biological_processimmune response
H0016064biological_processimmunoglobulin mediated immune response
H0019814cellular_componentimmunoglobulin complex
L0002250biological_processadaptive immune response
L0002376biological_processimmune system process
L0003823molecular_functionantigen binding
L0005576cellular_componentextracellular region
L0005615cellular_componentextracellular space
L0005886cellular_componentplasma membrane
L0016064biological_processimmunoglobulin mediated immune response
L0019814cellular_componentimmunoglobulin complex
L0070062cellular_componentextracellular exosome
L0071735cellular_componentIgG immunoglobulin complex
L0072562cellular_componentblood microparticle
Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YSCQVTH
ChainResidueDetails
LTYR187-HIS193
HTYR198-HIS204

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues94
DetailsDomain: {"description":"Ig-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00114","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues7
DetailsRegion: {"description":"Complementarity-determining-1","evidences":[{"source":"UniProtKB","id":"P23083","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues16
DetailsRegion: {"description":"Framework-2","evidences":[{"source":"UniProtKB","id":"P23083","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsRegion: {"description":"Complementarity-determining-2","evidences":[{"source":"UniProtKB","id":"P23083","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues37
DetailsRegion: {"description":"Framework-3","evidences":[{"source":"UniProtKB","id":"P23083","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsRegion: {"description":"Complementarity-determining-3","evidences":[{"source":"UniProtKB","id":"P23083","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

242500

PDB entries from 2025-10-01

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