eF-site ID 2xgx-AB PDB Code 2xgx Chain A, B click to enlarge Title Crystal structure of transcription factor NtcA from Synechococcus elongatus (mercury derivative) Classification TRANSCRIPTION Compound GLOBAL NITROGEN REGULATOR Source Synechococcus elongatus (strain PCC 7942) (Anacystis nidulans R2) (NTCA_SYNE7) Sequence A:  NSLLTMFRELPLQIEQFERGKTIFFPGDPAERVYLLVKGA VKLSRVYESGEEITVALLRENSVFGVLSLLTGQRSDRFYH AVAFTPVQLFSVPIEFMQKALIERPELANVMLQGLSSRIL QTEMMIETLAHRDMGSRLVSFLLILCRDFGIPSPDGITID LKLSHQAIAEAIGSTRVTVTRLLGDLRESKLIAIHKKRIT VFNPVALSQQFS B:  NSLLTMFRELGPLQIEQFERGKTIFFPGDPAERVYLLVKG AVKLSRVYESGEEITVALLRENSVFGVLSLLTGQRSDRFY HAVAFTPVQLFSVPIEFMQKALIERPELANVMLQGLSSRI LQTEMMIETLAHRDMGSRLVSFLLILCRDFGIPSPDGITI DLKLSHQAIAEAIGSTRVTVTRLLGDLRESKLIAIHKKRI TVFNPVALSQQFS Description (1)  GLOBAL NITROGEN REGULATOR Functional site 1) chain A residue 53 type sequence L description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 2) chain A residue 74 type sequence F description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 3) chain A residue 75 type sequence G description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 4) chain A residue 76 type sequence V description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 5) chain A residue 77 type sequence L description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 6) chain A residue 87 type sequence R description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 7) chain A residue 128 type sequence R description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 8) chain B residue 129 type sequence I description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 9) chain B residue 133 type sequence E description BINDING SITE FOR RESIDUE AKG A 519 source : AC1 10) chain A residue 156 type sequence C description BINDING SITE FOR RESIDUE HG A 801 source : AC2 11) chain A residue 157 type sequence R description BINDING SITE FOR RESIDUE HG A 801 source : AC2 12) chain A residue 129 type sequence I description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 13) chain A residue 133 type sequence E description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 14) chain B residue 53 type sequence L description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 15) chain B residue 74 type sequence F description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 16) chain B residue 75 type sequence G description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 17) chain B residue 76 type sequence V description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 18) chain B residue 77 type sequence L description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 19) chain B residue 87 type sequence R description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 20) chain B residue 128 type sequence R description BINDING SITE FOR RESIDUE AKG B 519 source : AC3 21) chain B residue 156 type sequence C description BINDING SITE FOR RESIDUE HG B 801 source : AC4 22) chain B residue 157 type sequence R description BINDING SITE FOR RESIDUE HG B 801 source : AC4 23) chain A residue 33 type sequence I description BINDING SITE FOR RESIDUE BTB A 1223 source : AC5 24) chain A residue 38 type sequence D description BINDING SITE FOR RESIDUE BTB A 1223 source : AC5 25) chain A residue 191 type sequence R description BINDING SITE FOR RESIDUE BTB A 1223 source : AC5 26) chain A residue 194 type sequence G description BINDING SITE FOR RESIDUE BTB A 1223 source : AC5 27) chain A residue 195 type sequence D description BINDING SITE FOR RESIDUE BTB A 1223 source : AC5 28) chain A residue 175-194 type DNA_BIND sequence HQAIAEAIGSTRVTVTRLLG description H-T-H motif => ECO:0000255|PROSITE-ProRule:PRU00387 source Swiss-Prot : SWS_FT_FI1 29) chain B residue 175-194 type DNA_BIND sequence HQAIAEAIGSTRVTVTRLLG description H-T-H motif => ECO:0000255|PROSITE-ProRule:PRU00387 source Swiss-Prot : SWS_FT_FI1 30) chain A residue 6 type BINDING sequence N description source Swiss-Prot : SWS_FT_FI2 31) chain B residue 6 type BINDING sequence N description source Swiss-Prot : SWS_FT_FI2 32) chain A residue 173-196 type prosite sequence LSHQAIAEAIGSTRVTVTRLLGDL description HTH_CRP_1 Crp-type HTH domain signature. LSHqaIAeAIGsTrvTv.TRlLgdL source prosite : PS00042

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