eF-site ID 1ab9-ABCD PDB Code 1ab9 Chain A, B, C, D click to enlarge Title CRYSTAL STRUCTURE OF BOVINE GAMMA-CHYMOTRYPSIN Classification COMPLEX (SERINE PROTEASE/PEPTIDE) Compound GAMMA-CHYMOTRYPSIN Source ORGANISM_COMMON: cattle; ORGANISM_SCIENTIFIC: Bos taurus; Sequence A:  CGVPAIQPVL B:  IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTA AHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTT CVTTGWGLTRY C:  NTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVS SCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVYA RVTALVNWVQQTLAAN D:  TPGVY Description Functional site 1) chain B residue 57 type sequence H description CATALYTIC TRIAD. source : CAT 2) chain B residue 102 type sequence D description CATALYTIC TRIAD. source : CAT 3) chain C residue 195 type sequence S description CATALYTIC TRIAD. source : CAT 4) chain B residue 36 type sequence K description BINDING SITE FOR RESIDUE SO4 B 401 source : AC1 5) chain B residue 92 type sequence S description BINDING SITE FOR RESIDUE SO4 B 401 source : AC1 6) chain C residue 237 type sequence W description BINDING SITE FOR RESIDUE SO4 B 401 source : AC1 7) chain C residue 193 type catalytic sequence G description 387 source MCSA : MCSA1 8) chain C residue 195 type catalytic sequence S description 387 source MCSA : MCSA1 9) chain C residue 196 type catalytic sequence G description 387 source MCSA : MCSA1 10) chain B residue 53-58 type prosite sequence VTAAHC description TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VTAAHC source prosite : PS00134 11) chain C residue 189-200 type prosite sequence SSCMGDSGGPLV description TRYPSIN_SER Serine proteases, trypsin family, serine active site. SScmGDSGGPLV source prosite : PS00135 12) chain C residue 195 type ACT_SITE sequence S description Charge relay system source Swiss-Prot : SWS_FT_FI1 13) chain B residue 102 type ACT_SITE sequence D description Charge relay system source Swiss-Prot : SWS_FT_FI1

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