eF-site ID 4r8n-A PDB Code 4r8n Chain A click to enlarge Title Crystal structure of Staphylococcal nuclease variant V23I/V66I/I72V/I92V at cryogenic temperature Classification HYDROLASE Compound Thermonuclease Source Staphylococcus aureus (NUC_STAAU) Sequence A:  LHKEPATLIKAIDGDTIKLMYKGQPMTFRLLLVDTPETKH PVEKYGPEASAFTKKMIENAKKVEVEFDKGQRTDKYGRGL AYVYADGKMVNEALVRQGLAKVAYVYKPNNTHEQHLRKSE AQAKKEKLNIWS Description Functional site 1) chain A residue 35 type sequence R description BINDING SITE FOR RESIDUE THP A 201 source : AC1 2) chain A residue 40 type sequence D description BINDING SITE FOR RESIDUE THP A 201 source : AC1 3) chain A residue 71 type sequence K description BINDING SITE FOR RESIDUE THP A 201 source : AC1 4) chain A residue 83 type sequence D description BINDING SITE FOR RESIDUE THP A 201 source : AC1 5) chain A residue 84 type sequence K description BINDING SITE FOR RESIDUE THP A 201 source : AC1 6) chain A residue 85 type sequence Y description BINDING SITE FOR RESIDUE THP A 201 source : AC1 7) chain A residue 87 type sequence R description BINDING SITE FOR RESIDUE THP A 201 source : AC1 8) chain A residue 89 type sequence L description BINDING SITE FOR RESIDUE THP A 201 source : AC1 9) chain A residue 113 type sequence Y description BINDING SITE FOR RESIDUE THP A 201 source : AC1 10) chain A residue 115 type sequence Y description BINDING SITE FOR RESIDUE THP A 201 source : AC1 11) chain A residue 21 type sequence D description BINDING SITE FOR RESIDUE CA A 202 source : AC2 12) chain A residue 40 type sequence D description BINDING SITE FOR RESIDUE CA A 202 source : AC2 13) chain A residue 41 type sequence T description BINDING SITE FOR RESIDUE CA A 202 source : AC2 14) chain A residue 134 type sequence K description BINDING SITE FOR RESIDUE PO4 A 203 source : AC3 15) chain A residue 61 type sequence F description BINDING SITE FOR RESIDUE MRD A 204 source : AC4 16) chain A residue 64 type sequence K description BINDING SITE FOR RESIDUE MRD A 204 source : AC4 17) chain A residue 116 type sequence K description BINDING SITE FOR RESIDUE MRD A 204 source : AC4 18) chain A residue 19-43 type prosite sequence DGDTIKLMYKGQPMTFRLLLVDTPE description TNASE_1 Thermonuclease family signature 1. DGDTIkLmykgqpmtf.RLllVDtPE source prosite : PS01123 19) chain A residue 83-93 type prosite sequence DKYGRGLAYVY description TNASE_2 Thermonuclease family signature 2. DKYGRgLAyVY source prosite : PS01284 20) chain A residue 35 type ACT_SITE sequence R description ACT_SITE => ECO:0000269|PubMed:288045 source Swiss-Prot : SWS_FT_FI1 21) chain A residue 43 type ACT_SITE sequence E description ACT_SITE => ECO:0000269|PubMed:288045 source Swiss-Prot : SWS_FT_FI1 22) chain A residue 87 type ACT_SITE sequence R description ACT_SITE => ECO:0000269|PubMed:288045 source Swiss-Prot : SWS_FT_FI1 23) chain A residue 21 type catalytic sequence D description 165 source MCSA : MCSA1 24) chain A residue 35 type catalytic sequence R description 165 source MCSA : MCSA1 25) chain A residue 40 type catalytic sequence D description 165 source MCSA : MCSA1 26) chain A residue 41 type catalytic sequence T description 165 source MCSA : MCSA1 27) chain A residue 43 type catalytic sequence E description 165 source MCSA : MCSA1 28) chain A residue 87 type catalytic sequence R description 165 source MCSA : MCSA1 29) chain A residue 41 type BINDING sequence T description source Swiss-Prot : SWS_FT_FI2 30) chain A residue 21 type BINDING sequence D description source Swiss-Prot : SWS_FT_FI2 31) chain A residue 40 type BINDING sequence D description source Swiss-Prot : SWS_FT_FI2

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