1JER,1X9R


Conserved Protein Domain Family
Stellacyanin
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cd13920: Stellacyanin 
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Stellacyanin is a subclass of phytocyanins, a plant type I copper protein
Stellacyanin is a subclass of the phytocyanins, a ubiquitous family of plant cupredoxins. Stellacyanin is involved in electron transfer reactions with the Cu center transitioning between the oxidized Cu(II) form and the reduced Cu(I) form. The copper is tetrahedrally coordinated by a cysteine, 2 histidines, and a glutamine residue. The glutamine residue substitutes for a methione ligand typically found in other blue copper proteins. The exact function of stellacyanin is unknown. However, stellacyanin appears to be associated with the plant cell wall; it may be involved in oxidative reactions to build polymeric material making up the cell wall.
Links
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Statistics
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PSSM-Id: 259987
Aligned: 14 rows
Threshold Bit Score: 143.607
Created: 7-Dec-2012
Updated: 2-Oct-2020
Structure
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Program:
Drawing:
Aligned Rows:
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Type 1 (T1) Cu
Conserved site includes 4 residues -Click on image for an interactive view with Cn3D
Feature 1: Type 1 (T1) Cu binding site [ion binding site], 4 residue positions
Conserved feature residue pattern:H C H XClick to see conserved feature residue pattern help
Evidence:
  • Structure:1JER: Cucumis sativus Stellacyanin binds copper at T1 site.
  • Citation:PMID 8931136
  • Comment:Blue copper proteins are characterized by their conserved H...C...H...M copper ligands
  • Comment:Some members bind copper at the T1 site with three amino acid residues (HCH), instead of four (HCHM).
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Sequence Alignment
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Format: Row Display: Color Bits: Type Selection: 
Feature 1                                                     #                                  
1JER_A         4 TVHIVGDnTGWSVPss--pnFYSQWAAGKTFRVGDSLQFNFPanAHNVHEMetkqsFDACNFvnsdn-dvertSPVIERL 80  cucumber
1X9R_A         2 EDYDVGGdMEWKRPsd--pkFYITWATGKTFRVGDELEFDFAagMHDVAVVtk-daFDNCKKenpis--hmttPPVKIML 76  horseradish
CAN60010      25 DTHHVGGnISWSIPteg-esAYTTWASGEDFKLGDTIVFNWTg-THTVARVsk-dvYDNCTTanvlandiqatSPVNYTL 101 wine grape
NP_001238405  27 KDYEVGGaTGWTSFppggasFYSKWAANFTFKLNDSLVFNFEsgSHSVVELtk-anYENCEVdnnik--afnrGPARVTL 103 soybean
XP_003591670  26 TQFIVGDsAGWVIPpf--ptYYTNWTNSHFIREGDSLEFDFNarFYNLIQVsq-seYEHCTAleplk--vfnsSPVNFPL 100 barrel medic
XP_002514433  26 LRYTVGD-AVWSIPis--anFYSNWSSSIVFYLGDSLVFDFEseLSNVIQVpk-qdYENCIThnpsk--iltvGPAIIVL 99  castor bean
XP_002527190  27 TKYTVGDsLGWTVPpsnsvgFYEDWANNRTFQIGDSLVFNWTg-THTATEVaseeeYNNCTKtgiv----ittSGVNVLL 101 castor bean
XP_002527191  23 TKFTVGDgIGWAVPsn--asFYDEWASDKTFQVGDSIVFNWSe-VHNVLEVtskseYDNCTTtngi---lrqtSPVTIDL 96  castor bean
XP_001760164   3 VEHKVGGaLGWNYPpnqgaeYFANWAAQNAFHVGDSLSFEYIagTHNVVQVdr-sdYDACTVtrpmq--lynaNKVIVNL 79  Physcomitrella ...
CAN77117      23 FSHIVGGsFGWSTPgn--lsFYEDWAKPRTFGVGDKLVFPFRtgVHSVVQVse-eeFKNCTQndaid--mfysGPTIIEL 97  wine grape

Feature 1                 #    #    #      
1JER_A        81 DelGMHYFVCTvGTHCSNGQKLSINV 106 cucumber
1X9R_A        77 NttGPQYYICTvGDHCRVGQKLSINV 102 horseradish
CAN60010     102 NstEPQYFICTiGRHCSLGQKVTISI 127 wine grape
NP_001238405 104 NrtGEFYFSCTfSGHCSSGQKLSIKV 129 soybean
XP_003591670 101 KerGIYYFICSvSNYCTLGQKVIINV 126 barrel medic
XP_002514433 100 NeeGVFYYICNiSNYCDLGQKLTIVV 125 castor bean
XP_002527190 102 SanGTRYFVCSvATNCEQGMKVAIRV 127 castor bean
XP_002527191  97 TanSTLYFICTvGQHCALGQKVTIKV 122 castor bean
XP_001760164  80 PrpGTYYYICGiKGHCDYGMKVALTV 105 Physcomitrella patens subsp. patens
CAN77117      98 PktGTFYYYCGvGTHCEAGQKVKVTV 123 wine grape

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