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1LI1

The 1.9-A crystal structure of the noncollagenous (NC1) domain of human placenta collagen IV shows stabilization via a novel type of covalent Met-Lys cross-link

Functional Information from GO Data
ChainGOidnamespacecontents
A0005201molecular_functionextracellular matrix structural constituent
A0005581cellular_componentcollagen trimer
B0005201molecular_functionextracellular matrix structural constituent
B0005581cellular_componentcollagen trimer
C0005201molecular_functionextracellular matrix structural constituent
C0005581cellular_componentcollagen trimer
D0005201molecular_functionextracellular matrix structural constituent
D0005581cellular_componentcollagen trimer
E0005201molecular_functionextracellular matrix structural constituent
E0005581cellular_componentcollagen trimer
F0005201molecular_functionextracellular matrix structural constituent
F0005581cellular_componentcollagen trimer
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT E 2001
ChainResidue
ATYR185
AALA186
DPHE64
DASN66
DHOH2070
ETYR189

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT B 2002
ChainResidue
BTYR189
DTYR185
DALA186
APHE64
AASN66
AHOH2042

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ACT B 2003
ChainResidue
BALA186
BHOH2171
DTYR189
FTYR64
FTYR72

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT C 2004
ChainResidue
ATYR189
CTYR64
CTYR72
CHOH2091
ETYR185
EALA186

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT C 2005
ChainResidue
CTYR185
CALA186
CHOH2135
EPHE64
EASN66
FTYR189

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT B 2006
ChainResidue
BPHE64
BASN66
BASN72
BHOH2123
CTYR189
FTYR185
FALA186

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ACT B 2007
ChainResidue
BALA212
BGLY213
BGLU214
BLEU215
BARG216

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT D 2008
ChainResidue
BHOH2175
DARG102
EARG198
EMET201
EPHE202
EHOH2041

site_idAC9
Number of Residues8
DetailsBINDING SITE FOR RESIDUE ACT A 2009
ChainResidue
AARG102
AHOH2171
BARG198
BMET201
BPHE202
BHOH2059
BHOH2170
EHOH2170

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1342
DetailsDomain: {"description":"Collagen IV NC1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00736","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsCross-link: {"description":"S-Lysyl-methionine sulfilimine (Met-Lys) (interchain with K-1651)","evidences":[{"source":"PubMed","id":"12011424","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsCross-link: {"description":"S-Lysyl-methionine sulfilimine (Lys-Met) (interchain with M-1533)","evidences":[{"source":"PubMed","id":"12011424","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"3'-bromotyrosine","evidences":[{"source":"PubMed","id":"32571911","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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