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4PZ3

High-resolution crystal structure of the human CD44 hyaluronan binding domain complex with undefined peptides

Functional Information from GO Data
ChainGOidnamespacecontents
A0005540molecular_functionhyaluronic acid binding
A0007155biological_processcell adhesion
A0016020cellular_componentmembrane
B0005540molecular_functionhyaluronic acid binding
B0007155biological_processcell adhesion
B0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE PEG A 201
ChainResidue
AGLU37
AGLY40
AARG78
AHOH307
AHOH328
BGLU37
BGLY40
BARG78

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO A 202
ChainResidue
AARG78
AHOH311
AHOH326
BTYR42
BCYS77
BARG78
ACYS77

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE MES B 201
ChainResidue
BTHR27
BCYS28
BPHE30
BGLU127
BCYS129
BARG150
BHOH352
BHOH389

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE EDO B 202
ChainResidue
BARG46
BASP134
BGLN157
BLYS158
BHOH334
BHOH335
BHOH368
BHOH374

Functional Information from PROSITE/UniProt
site_idPS01241
Number of Residues45
DetailsLINK_1 Link domain signature. CkafnstlptmaqmekAlsi.GfetCryGfieghvvi.PrihpnsiC
ChainResidueDetails
ACYS53-CYS97

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues176
DetailsDomain: {"description":"Link","evidences":[{"source":"PROSITE-ProRule","id":"PRU00323","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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