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1F7B

CRYSTAL STRUCTURE ANALYSIS OF N-ACETYLNEURAMINATE LYASE FROM HAEMOPHILUS INFLUENZAE: CRYSTAL FORM II IN COMPLEX WITH 4-OXO-SIALIC ACID

Functional Information from GO Data
ChainGOidnamespacecontents
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0005975biological_processcarbohydrate metabolic process
A0008747molecular_functionN-acetylneuraminate lyase activity
A0016829molecular_functionlyase activity
A0019262biological_processN-acetylneuraminate catabolic process
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0005975biological_processcarbohydrate metabolic process
C0008747molecular_functionN-acetylneuraminate lyase activity
C0016829molecular_functionlyase activity
C0019262biological_processN-acetylneuraminate catabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL C 900
ChainResidue
CTYR180
CPRO181
CASN182
CHIS183

site_idAC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE NAU A 901
ChainResidue
ATYR136
ALYS164
AGLY188
APHE189
AASP190
AGLU191
AILE205
AGLY206
ASER207
ALEU250
AHOH1214
AHOH1215
AHOH1297
AALA10
ATYR43
AGLY46
ASER47
ATHR48

site_idAC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE NAV C 902
ChainResidue
CALA10
CTYR43
CGLY46
CSER47
CTHR48
CTYR136
CLYS164
CGLY188
CPHE189
CASP190
CGLU191
CILE205
CGLY206
CSER207
CLEU250
CHOH1185

Functional Information from PROSITE/UniProt
site_idPS00217
Number of Residues26
DetailsSUGAR_TRANSPORT_2 Sugar transport proteins signature 2. VdGLYvGGstgenfmLstEekkeifR
ChainResidueDetails
AVAL39-ARG64

site_idPS00228
Number of Residues4
DetailsTUBULIN_B_AUTOREG Tubulin-beta mRNA autoregulation signal. MRDL
ChainResidueDetails
AMET1-LEU4

site_idPS00665
Number of Residues18
DetailsDHDPS_1 Dihydrodipicolinate synthase signature 1. GLYvgGSTGENfmlsteE
ChainResidueDetails
AGLY41-GLU58

site_idPS00666
Number of Residues31
DetailsDHDPS_2 Dihydrodipicolinate synthase signature 2. YSIPflTgvnMgieqfgelyknpk.VlGVKFT
ChainResidueDetails
ATYR136-THR166

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_01237","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11031117","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Schiff-base intermediate with substrate","evidences":[{"source":"HAMAP-Rule","id":"MF_01237","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11031117","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01237","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1dhp
ChainResidueDetails
ATYR136
ALYS164
ALEU141

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1dhp
ChainResidueDetails
ATHR48
ALYS164
ASER47

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1dhp
ChainResidueDetails
CTHR48
CLYS164
CSER47

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PDB entries from 2025-07-30

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