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5WHK

Crystal structure of Fab fragment of antibody DX-2507 bound to FcRn-B2M

Functional Information from GO Data
ChainGOidnamespacecontents
B0006955biological_processimmune response
B0042612cellular_componentMHC class I protein complex
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue EDO H 301
ChainResidue
HPHE27
HTYR32
HARG98
HHOH414
HHOH422

site_idAC2
Number of Residues7
Detailsbinding site for residue NHE A 301
ChainResidue
BGLY43
BARG45
BILE92
ASER40
AGLU72
AHOH401
AHOH430

site_idAC3
Number of Residues7
Detailsbinding site for residue NHE A 302
ChainResidue
ATYR9
ALYS63
AGLU64
AASP67
ALEU68
APHE154
AARG162

site_idAC4
Number of Residues5
Detailsbinding site for residue EDO A 303
ChainResidue
APHE79
AGLY83
AGLY84
ALYS85
AHOH418

Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YSCQVTH
ChainResidueDetails
LTYR195-HIS201
HTYR197-HIS203
BTYR78-HIS84
ATYR250-HIS256

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI2
Number of Residues87
DetailsDomain: {"description":"Ig-like C1-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00114","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues89
DetailsRegion: {"description":"Alpha-3","evidences":[{"source":"PubMed","id":"10933786","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1EXU","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues88
DetailsDomain: {"description":"Ig-like C1-type"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"Pyrrolidone carboxylic acid; in form pI 5.3","evidences":[{"source":"PubMed","id":"7554280","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (Glc) (glycation) isoleucine; in hemodialysis-associated amyloidosis","evidences":[{"source":"PubMed","id":"7918443","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues6
DetailsGlycosylation: {"description":"N-linked (Glc) (glycation) lysine; in vitro","evidences":[{"source":"PubMed","id":"7918443","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

245011

PDB entries from 2025-11-19

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